1640376660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{6719}}^1$

素因数の和:7057

約数の個数: 96

約数和(自身を含む): 4962908160

約数和(自身を除く): 3322531500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 313, 390, 626, 780, 939, 1252, 1565, 1878, 3130, 3756, 4069, 4695, 6260, 6719, 8138, 9390, 12207, 13438, 16276, 18780, 20157, 20345, 24414, 26876, 33595, 40314, 40690, 48828, 61035, 67190, 80628, 81380, 87347, 100785, 122070, 134380, 174694, 201570, 244140, 262041, 349388, 403140, 436735, 524082, 873470, 1048164, 1310205, 1746940, 2103047, 2620410, 4206094, 5240820, 6309141, 8412188, 10515235, 12618282, 21030470, 25236564, 27339611, 31545705, 42060940, 54679222, 63091410, 82018833, 109358444, 126182820, 136698055, 164037666, 273396110, 328075332, 410094165, 546792220, 820188330, 1640376660]

約数ペア:

[(1, 1640376660), (2, 820188330), (3, 546792220), (4, 410094165), (5, 328075332), (6, 273396110), (10, 164037666), (12, 136698055), (13, 126182820), (15, 109358444), (20, 82018833), (26, 63091410), (30, 54679222), (39, 42060940), (52, 31545705), (60, 27339611), (65, 25236564), (78, 21030470), (130, 12618282), (156, 10515235), (195, 8412188), (260, 6309141), (313, 5240820), (390, 4206094), (626, 2620410), (780, 2103047), (939, 1746940), (1252, 1310205), (1565, 1048164), (1878, 873470), (3130, 524082), (3756, 436735), (4069, 403140), (4695, 349388), (6260, 262041), (6719, 244140), (8138, 201570), (9390, 174694), (12207, 134380), (13438, 122070), (16276, 100785), (18780, 87347), (20157, 81380), (20345, 80628), (24414, 67190), (26876, 61035), (33595, 48828), (40314, 40690)]