640528000

素因数分解:

$2^7\times 5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 384

約数和(自身を含む): 1995364800

約数和(自身を除く): 1354836800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 43, 49, 50, 56, 64, 70, 76, 80, 86, 95, 98, 100, 112, 125, 128, 133, 140, 152, 160, 172, 175, 190, 196, 200, 215, 224, 245, 250, 266, 280, 301, 304, 320, 344, 350, 380, 392, 400, 430, 448, 475, 490, 500, 532, 560, 602, 608, 640, 665, 688, 700, 760, 784, 800, 817, 860, 875, 896, 931, 950, 980, 1000, 1064, 1075, 1120, 1204, 1216, 1225, 1330, 1376, 1400, 1505, 1520, 1568, 1600, 1634, 1720, 1750, 1862, 1900, 1960, 2000, 2107, 2128, 2150, 2240, 2375, 2408, 2432, 2450, 2660, 2752, 2800, 3010, 3040, 3136, 3200, 3268, 3325, 3440, 3500, 3724, 3800, 3920, 4000, 4085, 4214, 4256, 4300, 4480, 4655, 4750, 4816, 4900, 5320, 5375, 5504, 5600, 5719, 6020, 6080, 6125, 6272, 6536, 6650, 6880, 7000, 7448, 7525, 7600, 7840, 8000, 8170, 8428, 8512, 8600, 9310, 9500, 9632, 9800, 10535, 10640, 10750, 11200, 11438, 12040, 12160, 12250, 13072, 13300, 13760, 14000, 14896, 15050, 15200, 15680, 16000, 16340, 16625, 16856, 17024, 17200, 18620, 19000, 19264, 19600, 20425, 21070, 21280, 21500, 22400, 22876, 23275, 24080, 24500, 26144, 26600, 27520, 28000, 28595, 29792, 30100, 30400, 31360, 32680, 33250, 33712, 34400, 37240, 37625, 38000, 38528, 39200, 40033, 40850, 42140, 42560, 43000, 45752, 46550, 48160, 49000, 52288, 52675, 53200, 56000, 57190, 59584, 60200, 60800, 65360, 66500, 67424, 68800, 74480, 75250, 76000, 78400, 80066, 81700, 84280, 85120, 86000, 91504, 93100, 96320, 98000, 102125, 104576, 105350, 106400, 112000, 114380, 116375, 119168, 120400, 130720, 133000, 134848, 137600, 142975, 148960, 150500, 152000, 156800, 160132, 163400, 168560, 172000, 183008, 186200, 192640, 196000, 200165, 204250, 210700, 212800, 228760, 232750, 240800, 261440, 263375, 266000, 269696, 285950, 297920, 301000, 304000, 320264, 326800, 337120, 344000, 366016, 372400, 392000, 400330, 408500, 421400, 425600, 457520, 465500, 481600, 522880, 526750, 532000, 571900, 595840, 602000, 640528, 653600, 674240, 688000, 714875, 732032, 744800, 784000, 800660, 817000, 842800, 915040, 931000, 963200, 1000825, 1053500, 1064000, 1143800, 1204000, 1281056, 1307200, 1348480, 1429750, 1489600, 1601320, 1634000, 1685600, 1830080, 1862000, 2001650, 2107000, 2128000, 2287600, 2408000, 2562112, 2614400, 2859500, 2979200, 3202640, 3268000, 3371200, 3660160, 3724000, 4003300, 4214000, 4575200, 4816000, 5004125, 5124224, 5719000, 6405280, 6536000, 6742400, 7448000, 8006600, 8428000, 9150400, 10008250, 11438000, 12810560, 13072000, 14896000, 16013200, 16856000, 18300800, 20016500, 22876000, 25621120, 32026400, 33712000, 40033000, 45752000, 64052800, 80066000, 91504000, 128105600, 160132000, 320264000, 640528000]

約数ペア:

[(1, 640528000), (2, 320264000), (4, 160132000), (5, 128105600), (7, 91504000), (8, 80066000), (10, 64052800), (14, 45752000), (16, 40033000), (19, 33712000), (20, 32026400), (25, 25621120), (28, 22876000), (32, 20016500), (35, 18300800), (38, 16856000), (40, 16013200), (43, 14896000), (49, 13072000), (50, 12810560), (56, 11438000), (64, 10008250), (70, 9150400), (76, 8428000), (80, 8006600), (86, 7448000), (95, 6742400), (98, 6536000), (100, 6405280), (112, 5719000), (125, 5124224), (128, 5004125), (133, 4816000), (140, 4575200), (152, 4214000), (160, 4003300), (172, 3724000), (175, 3660160), (190, 3371200), (196, 3268000), (200, 3202640), (215, 2979200), (224, 2859500), (245, 2614400), (250, 2562112), (266, 2408000), (280, 2287600), (301, 2128000), (304, 2107000), (320, 2001650), (344, 1862000), (350, 1830080), (380, 1685600), (392, 1634000), (400, 1601320), (430, 1489600), (448, 1429750), (475, 1348480), (490, 1307200), (500, 1281056), (532, 1204000), (560, 1143800), (602, 1064000), (608, 1053500), (640, 1000825), (665, 963200), (688, 931000), (700, 915040), (760, 842800), (784, 817000), (800, 800660), (817, 784000), (860, 744800), (875, 732032), (896, 714875), (931, 688000), (950, 674240), (980, 653600), (1000, 640528), (1064, 602000), (1075, 595840), (1120, 571900), (1204, 532000), (1216, 526750), (1225, 522880), (1330, 481600), (1376, 465500), (1400, 457520), (1505, 425600), (1520, 421400), (1568, 408500), (1600, 400330), (1634, 392000), (1720, 372400), (1750, 366016), (1862, 344000), (1900, 337120), (1960, 326800), (2000, 320264), (2107, 304000), (2128, 301000), (2150, 297920), (2240, 285950), (2375, 269696), (2408, 266000), (2432, 263375), (2450, 261440), (2660, 240800), (2752, 232750), (2800, 228760), (3010, 212800), (3040, 210700), (3136, 204250), (3200, 200165), (3268, 196000), (3325, 192640), (3440, 186200), (3500, 183008), (3724, 172000), (3800, 168560), (3920, 163400), (4000, 160132), (4085, 156800), (4214, 152000), (4256, 150500), (4300, 148960), (4480, 142975), (4655, 137600), (4750, 134848), (4816, 133000), (4900, 130720), (5320, 120400), (5375, 119168), (5504, 116375), (5600, 114380), (5719, 112000), (6020, 106400), (6080, 105350), (6125, 104576), (6272, 102125), (6536, 98000), (6650, 96320), (6880, 93100), (7000, 91504), (7448, 86000), (7525, 85120), (7600, 84280), (7840, 81700), (8000, 80066), (8170, 78400), (8428, 76000), (8512, 75250), (8600, 74480), (9310, 68800), (9500, 67424), (9632, 66500), (9800, 65360), (10535, 60800), (10640, 60200), (10750, 59584), (11200, 57190), (11438, 56000), (12040, 53200), (12160, 52675), (12250, 52288), (13072, 49000), (13300, 48160), (13760, 46550), (14000, 45752), (14896, 43000), (15050, 42560), (15200, 42140), (15680, 40850), (16000, 40033), (16340, 39200), (16625, 38528), (16856, 38000), (17024, 37625), (17200, 37240), (18620, 34400), (19000, 33712), (19264, 33250), (19600, 32680), (20425, 31360), (21070, 30400), (21280, 30100), (21500, 29792), (22400, 28595), (22876, 28000), (23275, 27520), (24080, 26600), (24500, 26144)]