80144220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2777}}^1$

素因数の和:2839

約数の個数: 96

約数和(自身を含む): 248286528

約数和(自身を除く): 168142308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 740, 780, 962, 1110, 1443, 1924, 2220, 2405, 2777, 2886, 4810, 5554, 5772, 7215, 8331, 9620, 11108, 13885, 14430, 16662, 27770, 28860, 33324, 36101, 41655, 55540, 72202, 83310, 102749, 108303, 144404, 166620, 180505, 205498, 216606, 308247, 361010, 410996, 433212, 513745, 541515, 616494, 722020, 1027490, 1083030, 1232988, 1335737, 1541235, 2054980, 2166060, 2671474, 3082470, 4007211, 5342948, 6164940, 6678685, 8014422, 13357370, 16028844, 20036055, 26714740, 40072110, 80144220]

約数ペア:

[(1, 80144220), (2, 40072110), (3, 26714740), (4, 20036055), (5, 16028844), (6, 13357370), (10, 8014422), (12, 6678685), (13, 6164940), (15, 5342948), (20, 4007211), (26, 3082470), (30, 2671474), (37, 2166060), (39, 2054980), (52, 1541235), (60, 1335737), (65, 1232988), (74, 1083030), (78, 1027490), (111, 722020), (130, 616494), (148, 541515), (156, 513745), (185, 433212), (195, 410996), (222, 361010), (260, 308247), (370, 216606), (390, 205498), (444, 180505), (481, 166620), (555, 144404), (740, 108303), (780, 102749), (962, 83310), (1110, 72202), (1443, 55540), (1924, 41655), (2220, 36101), (2405, 33324), (2777, 28860), (2886, 27770), (4810, 16662), (5554, 14430), (5772, 13885), (7215, 11108), (8331, 9620)]