820664520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{526067}}^1$

素因数の和:526094

約数の個数: 64

約数和(自身を含む): 2651382720

約数和(自身を除く): 1830718200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 526067, 1052134, 1578201, 2104268, 2630335, 3156402, 4208536, 5260670, 6312804, 6838871, 7891005, 10521340, 12625608, 13677742, 15782010, 20516613, 21042680, 27355484, 31564020, 34194355, 41033226, 54710968, 63128040, 68388710, 82066452, 102583065, 136777420, 164132904, 205166130, 273554840, 410332260, 820664520]

約数ペア:

[(1, 820664520), (2, 410332260), (3, 273554840), (4, 205166130), (5, 164132904), (6, 136777420), (8, 102583065), (10, 82066452), (12, 68388710), (13, 63128040), (15, 54710968), (20, 41033226), (24, 34194355), (26, 31564020), (30, 27355484), (39, 21042680), (40, 20516613), (52, 15782010), (60, 13677742), (65, 12625608), (78, 10521340), (104, 7891005), (120, 6838871), (130, 6312804), (156, 5260670), (195, 4208536), (260, 3156402), (312, 2630335), (390, 2104268), (520, 1578201), (780, 1052134), (1560, 526067)]