51909390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 155796480

約数和(自身を除く): 103887090

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 30, 39, 45, 46, 54, 65, 69, 78, 90, 115, 117, 130, 135, 138, 195, 207, 230, 234, 270, 299, 345, 351, 390, 414, 585, 598, 621, 643, 690, 702, 897, 1035, 1170, 1242, 1286, 1495, 1755, 1794, 1929, 2070, 2691, 2990, 3105, 3215, 3510, 3858, 4485, 5382, 5787, 6210, 6430, 8073, 8359, 8970, 9645, 11574, 13455, 14789, 16146, 16718, 17361, 19290, 25077, 26910, 28935, 29578, 34722, 40365, 41795, 44367, 50154, 57870, 73945, 75231, 80730, 83590, 86805, 88734, 125385, 133101, 147890, 150462, 173610, 192257, 221835, 225693, 250770, 266202, 376155, 384514, 399303, 443670, 451386, 576771, 665505, 752310, 798606, 961285, 1128465, 1153542, 1331010, 1730313, 1922570, 1996515, 2256930, 2883855, 3460626, 3993030, 5190939, 5767710, 8651565, 10381878, 17303130, 25954695, 51909390]

約数ペア:

[(1, 51909390), (2, 25954695), (3, 17303130), (5, 10381878), (6, 8651565), (9, 5767710), (10, 5190939), (13, 3993030), (15, 3460626), (18, 2883855), (23, 2256930), (26, 1996515), (27, 1922570), (30, 1730313), (39, 1331010), (45, 1153542), (46, 1128465), (54, 961285), (65, 798606), (69, 752310), (78, 665505), (90, 576771), (115, 451386), (117, 443670), (130, 399303), (135, 384514), (138, 376155), (195, 266202), (207, 250770), (230, 225693), (234, 221835), (270, 192257), (299, 173610), (345, 150462), (351, 147890), (390, 133101), (414, 125385), (585, 88734), (598, 86805), (621, 83590), (643, 80730), (690, 75231), (702, 73945), (897, 57870), (1035, 50154), (1170, 44367), (1242, 41795), (1286, 40365), (1495, 34722), (1755, 29578), (1794, 28935), (1929, 26910), (2070, 25077), (2691, 19290), (2990, 17361), (3105, 16718), (3215, 16146), (3510, 14789), (3858, 13455), (4485, 11574), (5382, 9645), (5787, 8970), (6210, 8359), (6430, 8073)]