18657647820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{77527}}^1$

素因数の和:77740

約数の個数: 144

約数和(自身を含む): 65019322368

約数和(自身を除く): 46361674548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 191, 210, 252, 315, 382, 420, 573, 630, 764, 955, 1146, 1260, 1337, 1719, 1910, 2292, 2674, 2865, 3438, 3820, 4011, 5348, 5730, 6685, 6876, 8022, 8595, 11460, 12033, 13370, 16044, 17190, 20055, 24066, 26740, 34380, 40110, 48132, 60165, 77527, 80220, 120330, 155054, 232581, 240660, 310108, 387635, 465162, 542689, 697743, 775270, 930324, 1085378, 1162905, 1395486, 1550540, 1628067, 2170756, 2325810, 2713445, 2790972, 3256134, 3488715, 4651620, 4884201, 5426890, 6512268, 6977430, 8140335, 9768402, 10853780, 13954860, 14807657, 16280670, 19536804, 24421005, 29615314, 32561340, 44422971, 48842010, 59230628, 74038285, 88845942, 97684020, 103653599, 133268913, 148076570, 177691884, 207307198, 222114855, 266537826, 296153140, 310960797, 414614396, 444229710, 518267995, 533075652, 621921594, 666344565, 888459420, 932882391, 1036535990, 1243843188, 1332689130, 1554803985, 1865764782, 2073071980, 2665378260, 3109607970, 3731529564, 4664411955, 6219215940, 9328823910, 18657647820]

約数ペア:

[(1, 18657647820), (2, 9328823910), (3, 6219215940), (4, 4664411955), (5, 3731529564), (6, 3109607970), (7, 2665378260), (9, 2073071980), (10, 1865764782), (12, 1554803985), (14, 1332689130), (15, 1243843188), (18, 1036535990), (20, 932882391), (21, 888459420), (28, 666344565), (30, 621921594), (35, 533075652), (36, 518267995), (42, 444229710), (45, 414614396), (60, 310960797), (63, 296153140), (70, 266537826), (84, 222114855), (90, 207307198), (105, 177691884), (126, 148076570), (140, 133268913), (180, 103653599), (191, 97684020), (210, 88845942), (252, 74038285), (315, 59230628), (382, 48842010), (420, 44422971), (573, 32561340), (630, 29615314), (764, 24421005), (955, 19536804), (1146, 16280670), (1260, 14807657), (1337, 13954860), (1719, 10853780), (1910, 9768402), (2292, 8140335), (2674, 6977430), (2865, 6512268), (3438, 5426890), (3820, 4884201), (4011, 4651620), (5348, 3488715), (5730, 3256134), (6685, 2790972), (6876, 2713445), (8022, 2325810), (8595, 2170756), (11460, 1628067), (12033, 1550540), (13370, 1395486), (16044, 1162905), (17190, 1085378), (20055, 930324), (24066, 775270), (26740, 697743), (34380, 542689), (40110, 465162), (48132, 387635), (60165, 310108), (77527, 240660), (80220, 232581), (120330, 155054)]