71611280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1861}}^1$

素因数の和:1924

約数の個数: 80

約数和(自身を含む): 184248624

約数和(自身を除く): 112637344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1861, 1924, 2405, 2960, 3722, 3848, 4810, 7444, 7696, 9305, 9620, 14888, 18610, 19240, 24193, 29776, 37220, 38480, 48386, 68857, 74440, 96772, 120965, 137714, 148880, 193544, 241930, 275428, 344285, 387088, 483860, 550856, 688570, 895141, 967720, 1101712, 1377140, 1790282, 1935440, 2754280, 3580564, 4475705, 5508560, 7161128, 8951410, 14322256, 17902820, 35805640, 71611280]

約数ペア:

[(1, 71611280), (2, 35805640), (4, 17902820), (5, 14322256), (8, 8951410), (10, 7161128), (13, 5508560), (16, 4475705), (20, 3580564), (26, 2754280), (37, 1935440), (40, 1790282), (52, 1377140), (65, 1101712), (74, 967720), (80, 895141), (104, 688570), (130, 550856), (148, 483860), (185, 387088), (208, 344285), (260, 275428), (296, 241930), (370, 193544), (481, 148880), (520, 137714), (592, 120965), (740, 96772), (962, 74440), (1040, 68857), (1480, 48386), (1861, 38480), (1924, 37220), (2405, 29776), (2960, 24193), (3722, 19240), (3848, 18610), (4810, 14888), (7444, 9620), (7696, 9305)]