495290640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158747}}^1$

素因数の和:158776

約数の個数: 80

約数和(自身を含む): 1653519168

約数和(自身を除く): 1158228528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 158747, 317494, 476241, 634988, 793735, 952482, 1269976, 1587470, 1904964, 2063711, 2381205, 2539952, 3174940, 3809928, 4127422, 4762410, 6191133, 6349880, 7619856, 8254844, 9524820, 10318555, 12382266, 12699760, 16509688, 19049640, 20637110, 24764532, 30955665, 33019376, 38099280, 41274220, 49529064, 61911330, 82548440, 99058128, 123822660, 165096880, 247645320, 495290640]

約数ペア:

[(1, 495290640), (2, 247645320), (3, 165096880), (4, 123822660), (5, 99058128), (6, 82548440), (8, 61911330), (10, 49529064), (12, 41274220), (13, 38099280), (15, 33019376), (16, 30955665), (20, 24764532), (24, 20637110), (26, 19049640), (30, 16509688), (39, 12699760), (40, 12382266), (48, 10318555), (52, 9524820), (60, 8254844), (65, 7619856), (78, 6349880), (80, 6191133), (104, 4762410), (120, 4127422), (130, 3809928), (156, 3174940), (195, 2539952), (208, 2381205), (240, 2063711), (260, 1904964), (312, 1587470), (390, 1269976), (520, 952482), (624, 793735), (780, 634988), (1040, 476241), (1560, 317494), (3120, 158747)]