81934320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26261}}^1$

素因数の和:26290

約数の個数: 80

約数和(自身を含む): 273544992

約数和(自身を除く): 191610672

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, 26261, 52522, 78783, 105044, 131305, 157566, 210088, 262610, 315132, 341393, 393915, 420176, 525220, 630264, 682786, 787830, 1024179, 1050440, 1260528, 1365572, 1575660, 1706965, 2048358, 2100880, 2731144, 3151320, 3413930, 4096716, 5120895, 5462288, 6302640, 6827860, 8193432, 10241790, 13655720, 16386864, 20483580, 27311440, 40967160, 81934320]

約数ペア:

[(1, 81934320), (2, 40967160), (3, 27311440), (4, 20483580), (5, 16386864), (6, 13655720), (8, 10241790), (10, 8193432), (12, 6827860), (13, 6302640), (15, 5462288), (16, 5120895), (20, 4096716), (24, 3413930), (26, 3151320), (30, 2731144), (39, 2100880), (40, 2048358), (48, 1706965), (52, 1575660), (60, 1365572), (65, 1260528), (78, 1050440), (80, 1024179), (104, 787830), (120, 682786), (130, 630264), (156, 525220), (195, 420176), (208, 393915), (240, 341393), (260, 315132), (312, 262610), (390, 210088), (520, 157566), (624, 131305), (780, 105044), (1040, 78783), (1560, 52522), (3120, 26261)]