256897200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 360

約数和(自身を含む): 1017537552

約数和(自身を除く): 760640352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 25, 28, 30, 34, 35, 40, 42, 48, 49, 50, 51, 56, 60, 68, 70, 75, 80, 84, 85, 98, 100, 102, 105, 112, 119, 120, 136, 140, 147, 150, 168, 170, 175, 196, 200, 204, 210, 238, 240, 245, 255, 257, 272, 280, 294, 300, 336, 340, 350, 357, 392, 400, 408, 420, 425, 476, 490, 510, 514, 525, 560, 588, 595, 600, 680, 700, 714, 735, 771, 784, 816, 833, 840, 850, 952, 980, 1020, 1028, 1050, 1176, 1190, 1200, 1225, 1275, 1285, 1360, 1400, 1428, 1470, 1542, 1666, 1680, 1700, 1785, 1799, 1904, 1960, 2040, 2056, 2100, 2352, 2380, 2450, 2499, 2550, 2570, 2800, 2856, 2940, 2975, 3084, 3332, 3400, 3570, 3598, 3675, 3855, 3920, 4080, 4112, 4165, 4200, 4369, 4760, 4900, 4998, 5100, 5140, 5397, 5712, 5880, 5950, 6168, 6425, 6664, 6800, 7140, 7196, 7350, 7710, 8330, 8400, 8738, 8925, 8995, 9520, 9800, 9996, 10200, 10280, 10794, 11760, 11900, 12336, 12495, 12593, 12850, 13107, 13328, 14280, 14392, 14700, 15420, 16660, 17476, 17850, 17990, 19275, 19600, 19992, 20400, 20560, 20825, 21588, 21845, 23800, 24990, 25186, 25700, 26214, 26985, 28560, 28784, 29400, 30583, 30840, 33320, 34952, 35700, 35980, 37779, 38550, 39984, 41650, 43176, 43690, 44975, 47600, 49980, 50372, 51400, 52428, 53970, 58800, 61166, 61680, 62475, 62965, 65535, 66640, 69904, 71400, 71960, 75558, 77100, 83300, 86352, 87380, 89950, 91749, 99960, 100744, 102800, 104856, 107940, 109225, 122332, 124950, 125930, 131070, 134925, 142800, 143920, 151116, 152915, 154200, 166600, 174760, 179900, 183498, 188895, 199920, 201488, 209712, 214081, 215880, 218450, 244664, 249900, 251860, 262140, 269850, 302232, 305830, 308400, 314825, 327675, 333200, 349520, 359800, 366996, 377790, 428162, 431760, 436900, 458745, 489328, 499800, 503720, 524280, 539700, 604464, 611660, 629650, 642243, 655350, 719600, 733992, 755580, 764575, 856324, 873800, 917490, 944475, 999600, 1007440, 1048560, 1070405, 1079400, 1223320, 1259300, 1284486, 1310700, 1467984, 1511160, 1529150, 1712648, 1747600, 1834980, 1888950, 2140810, 2158800, 2293725, 2446640, 2518600, 2568972, 2621400, 3022320, 3058300, 3211215, 3425296, 3669960, 3777900, 4281620, 4587450, 5037200, 5137944, 5242800, 5352025, 6116600, 6422430, 7339920, 7555800, 8563240, 9174900, 10275888, 10704050, 12233200, 12844860, 15111600, 16056075, 17126480, 18349800, 21408100, 25689720, 32112150, 36699600, 42816200, 51379440, 64224300, 85632400, 128448600, 256897200]

約数ペア:

[(1, 256897200), (2, 128448600), (3, 85632400), (4, 64224300), (5, 51379440), (6, 42816200), (7, 36699600), (8, 32112150), (10, 25689720), (12, 21408100), (14, 18349800), (15, 17126480), (16, 16056075), (17, 15111600), (20, 12844860), (21, 12233200), (24, 10704050), (25, 10275888), (28, 9174900), (30, 8563240), (34, 7555800), (35, 7339920), (40, 6422430), (42, 6116600), (48, 5352025), (49, 5242800), (50, 5137944), (51, 5037200), (56, 4587450), (60, 4281620), (68, 3777900), (70, 3669960), (75, 3425296), (80, 3211215), (84, 3058300), (85, 3022320), (98, 2621400), (100, 2568972), (102, 2518600), (105, 2446640), (112, 2293725), (119, 2158800), (120, 2140810), (136, 1888950), (140, 1834980), (147, 1747600), (150, 1712648), (168, 1529150), (170, 1511160), (175, 1467984), (196, 1310700), (200, 1284486), (204, 1259300), (210, 1223320), (238, 1079400), (240, 1070405), (245, 1048560), (255, 1007440), (257, 999600), (272, 944475), (280, 917490), (294, 873800), (300, 856324), (336, 764575), (340, 755580), (350, 733992), (357, 719600), (392, 655350), (400, 642243), (408, 629650), (420, 611660), (425, 604464), (476, 539700), (490, 524280), (510, 503720), (514, 499800), (525, 489328), (560, 458745), (588, 436900), (595, 431760), (600, 428162), (680, 377790), (700, 366996), (714, 359800), (735, 349520), (771, 333200), (784, 327675), (816, 314825), (833, 308400), (840, 305830), (850, 302232), (952, 269850), (980, 262140), (1020, 251860), (1028, 249900), (1050, 244664), (1176, 218450), (1190, 215880), (1200, 214081), (1225, 209712), (1275, 201488), (1285, 199920), (1360, 188895), (1400, 183498), (1428, 179900), (1470, 174760), (1542, 166600), (1666, 154200), (1680, 152915), (1700, 151116), (1785, 143920), (1799, 142800), (1904, 134925), (1960, 131070), (2040, 125930), (2056, 124950), (2100, 122332), (2352, 109225), (2380, 107940), (2450, 104856), (2499, 102800), (2550, 100744), (2570, 99960), (2800, 91749), (2856, 89950), (2940, 87380), (2975, 86352), (3084, 83300), (3332, 77100), (3400, 75558), (3570, 71960), (3598, 71400), (3675, 69904), (3855, 66640), (3920, 65535), (4080, 62965), (4112, 62475), (4165, 61680), (4200, 61166), (4369, 58800), (4760, 53970), (4900, 52428), (4998, 51400), (5100, 50372), (5140, 49980), (5397, 47600), (5712, 44975), (5880, 43690), (5950, 43176), (6168, 41650), (6425, 39984), (6664, 38550), (6800, 37779), (7140, 35980), (7196, 35700), (7350, 34952), (7710, 33320), (8330, 30840), (8400, 30583), (8738, 29400), (8925, 28784), (8995, 28560), (9520, 26985), (9800, 26214), (9996, 25700), (10200, 25186), (10280, 24990), (10794, 23800), (11760, 21845), (11900, 21588), (12336, 20825), (12495, 20560), (12593, 20400), (12850, 19992), (13107, 19600), (13328, 19275), (14280, 17990), (14392, 17850), (14700, 17476), (15420, 16660)]