81377660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:823

約数の個数: 96

約数和(自身を含む): 214069632

約数和(自身を除く): 132691972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 61, 65, 70, 91, 122, 130, 140, 182, 244, 260, 305, 364, 427, 455, 610, 733, 793, 854, 910, 1220, 1466, 1586, 1708, 1820, 2135, 2932, 3172, 3665, 3965, 4270, 5131, 5551, 7330, 7930, 8540, 9529, 10262, 11102, 14660, 15860, 19058, 20524, 22204, 25655, 27755, 38116, 44713, 47645, 51310, 55510, 66703, 89426, 95290, 102620, 111020, 133406, 178852, 190580, 223565, 266812, 312991, 333515, 447130, 581269, 625982, 667030, 894260, 1162538, 1251964, 1334060, 1564955, 2325076, 2906345, 3129910, 4068883, 5812690, 6259820, 8137766, 11625380, 16275532, 20344415, 40688830, 81377660]

約数ペア:

[(1, 81377660), (2, 40688830), (4, 20344415), (5, 16275532), (7, 11625380), (10, 8137766), (13, 6259820), (14, 5812690), (20, 4068883), (26, 3129910), (28, 2906345), (35, 2325076), (52, 1564955), (61, 1334060), (65, 1251964), (70, 1162538), (91, 894260), (122, 667030), (130, 625982), (140, 581269), (182, 447130), (244, 333515), (260, 312991), (305, 266812), (364, 223565), (427, 190580), (455, 178852), (610, 133406), (733, 111020), (793, 102620), (854, 95290), (910, 89426), (1220, 66703), (1466, 55510), (1586, 51310), (1708, 47645), (1820, 44713), (2135, 38116), (2932, 27755), (3172, 25655), (3665, 22204), (3965, 20524), (4270, 19058), (5131, 15860), (5551, 14660), (7330, 11102), (7930, 10262), (8540, 9529)]