491669920

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 288

約数和(自身を含む): 1485388800

約数和(自身を除く): 993718880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 49, 56, 62, 68, 70, 80, 85, 98, 112, 119, 124, 136, 140, 155, 160, 170, 196, 217, 224, 238, 245, 248, 272, 280, 289, 310, 340, 343, 392, 434, 476, 490, 496, 527, 544, 560, 578, 595, 620, 680, 686, 784, 833, 868, 952, 980, 992, 1054, 1085, 1120, 1156, 1190, 1240, 1360, 1372, 1445, 1519, 1568, 1666, 1715, 1736, 1904, 1960, 2023, 2108, 2170, 2312, 2380, 2480, 2635, 2720, 2744, 2890, 3038, 3332, 3430, 3472, 3689, 3808, 3920, 4046, 4165, 4216, 4340, 4624, 4760, 4960, 5270, 5488, 5780, 5831, 6076, 6664, 6860, 6944, 7378, 7595, 7840, 8092, 8330, 8432, 8680, 8959, 9248, 9520, 10115, 10540, 10633, 10976, 11560, 11662, 12152, 13328, 13720, 14161, 14756, 15190, 16184, 16660, 16864, 17360, 17918, 18445, 19040, 20230, 21080, 21266, 23120, 23324, 24304, 25823, 26656, 27440, 28322, 29155, 29512, 30380, 32368, 33320, 34720, 35836, 36890, 40460, 42160, 42532, 44795, 46240, 46648, 48608, 51646, 53165, 54880, 56644, 58310, 59024, 60760, 62713, 64736, 66640, 70805, 71672, 73780, 80920, 84320, 85064, 89590, 93296, 99127, 103292, 106330, 113288, 116620, 118048, 121520, 125426, 129115, 133280, 141610, 143344, 147560, 161840, 170128, 179180, 180761, 186592, 198254, 206584, 212660, 226576, 233240, 243040, 250852, 258230, 283220, 286688, 295120, 313565, 323680, 340256, 358360, 361522, 396508, 413168, 425320, 438991, 453152, 466480, 495635, 501704, 516460, 566440, 590240, 627130, 716720, 723044, 793016, 826336, 850640, 877982, 903805, 932960, 991270, 1003408, 1032920, 1132880, 1254260, 1433440, 1446088, 1586032, 1701280, 1755964, 1807610, 1982540, 2006816, 2065840, 2194955, 2265760, 2508520, 2892176, 3072937, 3172064, 3511928, 3615220, 3965080, 4131680, 4389910, 5017040, 5784352, 6145874, 7023856, 7230440, 7930160, 8779820, 10034080, 12291748, 14047712, 14460880, 15364685, 15860320, 17559640, 24583496, 28921760, 30729370, 35119280, 49166992, 61458740, 70238560, 98333984, 122917480, 245834960, 491669920]

約数ペア:

[(1, 491669920), (2, 245834960), (4, 122917480), (5, 98333984), (7, 70238560), (8, 61458740), (10, 49166992), (14, 35119280), (16, 30729370), (17, 28921760), (20, 24583496), (28, 17559640), (31, 15860320), (32, 15364685), (34, 14460880), (35, 14047712), (40, 12291748), (49, 10034080), (56, 8779820), (62, 7930160), (68, 7230440), (70, 7023856), (80, 6145874), (85, 5784352), (98, 5017040), (112, 4389910), (119, 4131680), (124, 3965080), (136, 3615220), (140, 3511928), (155, 3172064), (160, 3072937), (170, 2892176), (196, 2508520), (217, 2265760), (224, 2194955), (238, 2065840), (245, 2006816), (248, 1982540), (272, 1807610), (280, 1755964), (289, 1701280), (310, 1586032), (340, 1446088), (343, 1433440), (392, 1254260), (434, 1132880), (476, 1032920), (490, 1003408), (496, 991270), (527, 932960), (544, 903805), (560, 877982), (578, 850640), (595, 826336), (620, 793016), (680, 723044), (686, 716720), (784, 627130), (833, 590240), (868, 566440), (952, 516460), (980, 501704), (992, 495635), (1054, 466480), (1085, 453152), (1120, 438991), (1156, 425320), (1190, 413168), (1240, 396508), (1360, 361522), (1372, 358360), (1445, 340256), (1519, 323680), (1568, 313565), (1666, 295120), (1715, 286688), (1736, 283220), (1904, 258230), (1960, 250852), (2023, 243040), (2108, 233240), (2170, 226576), (2312, 212660), (2380, 206584), (2480, 198254), (2635, 186592), (2720, 180761), (2744, 179180), (2890, 170128), (3038, 161840), (3332, 147560), (3430, 143344), (3472, 141610), (3689, 133280), (3808, 129115), (3920, 125426), (4046, 121520), (4165, 118048), (4216, 116620), (4340, 113288), (4624, 106330), (4760, 103292), (4960, 99127), (5270, 93296), (5488, 89590), (5780, 85064), (5831, 84320), (6076, 80920), (6664, 73780), (6860, 71672), (6944, 70805), (7378, 66640), (7595, 64736), (7840, 62713), (8092, 60760), (8330, 59024), (8432, 58310), (8680, 56644), (8959, 54880), (9248, 53165), (9520, 51646), (10115, 48608), (10540, 46648), (10633, 46240), (10976, 44795), (11560, 42532), (11662, 42160), (12152, 40460), (13328, 36890), (13720, 35836), (14161, 34720), (14756, 33320), (15190, 32368), (16184, 30380), (16660, 29512), (16864, 29155), (17360, 28322), (17918, 27440), (18445, 26656), (19040, 25823), (20230, 24304), (21080, 23324), (21266, 23120)]