81190620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:529

約数の個数: 192

約数和(自身を含む): 295464960

約数和(自身を除く): 214274340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 90, 94, 105, 108, 126, 135, 140, 141, 180, 188, 189, 210, 235, 252, 270, 282, 315, 329, 378, 420, 423, 457, 470, 540, 564, 630, 658, 705, 756, 846, 914, 940, 945, 987, 1260, 1269, 1316, 1371, 1410, 1645, 1692, 1828, 1890, 1974, 2115, 2285, 2538, 2742, 2820, 2961, 3199, 3290, 3780, 3948, 4113, 4230, 4570, 4935, 5076, 5484, 5922, 6345, 6398, 6580, 6855, 8226, 8460, 8883, 9140, 9597, 9870, 11844, 12339, 12690, 12796, 13710, 14805, 15995, 16452, 17766, 19194, 19740, 20565, 21479, 24678, 25380, 27420, 28791, 29610, 31990, 35532, 38388, 41130, 42958, 44415, 47985, 49356, 57582, 59220, 61695, 63980, 64437, 82260, 85916, 86373, 88830, 95970, 107395, 115164, 123390, 128874, 143955, 150353, 172746, 177660, 191940, 193311, 214790, 246780, 257748, 287910, 300706, 322185, 345492, 386622, 429580, 431865, 451059, 575820, 579933, 601412, 644370, 751765, 773244, 863730, 902118, 966555, 1159866, 1288740, 1353177, 1503530, 1727460, 1804236, 1933110, 2255295, 2319732, 2706354, 2899665, 3007060, 3866220, 4059531, 4510590, 5412708, 5799330, 6765885, 8119062, 9021180, 11598660, 13531770, 16238124, 20297655, 27063540, 40595310, 81190620]

約数ペア:

[(1, 81190620), (2, 40595310), (3, 27063540), (4, 20297655), (5, 16238124), (6, 13531770), (7, 11598660), (9, 9021180), (10, 8119062), (12, 6765885), (14, 5799330), (15, 5412708), (18, 4510590), (20, 4059531), (21, 3866220), (27, 3007060), (28, 2899665), (30, 2706354), (35, 2319732), (36, 2255295), (42, 1933110), (45, 1804236), (47, 1727460), (54, 1503530), (60, 1353177), (63, 1288740), (70, 1159866), (84, 966555), (90, 902118), (94, 863730), (105, 773244), (108, 751765), (126, 644370), (135, 601412), (140, 579933), (141, 575820), (180, 451059), (188, 431865), (189, 429580), (210, 386622), (235, 345492), (252, 322185), (270, 300706), (282, 287910), (315, 257748), (329, 246780), (378, 214790), (420, 193311), (423, 191940), (457, 177660), (470, 172746), (540, 150353), (564, 143955), (630, 128874), (658, 123390), (705, 115164), (756, 107395), (846, 95970), (914, 88830), (940, 86373), (945, 85916), (987, 82260), (1260, 64437), (1269, 63980), (1316, 61695), (1371, 59220), (1410, 57582), (1645, 49356), (1692, 47985), (1828, 44415), (1890, 42958), (1974, 41130), (2115, 38388), (2285, 35532), (2538, 31990), (2742, 29610), (2820, 28791), (2961, 27420), (3199, 25380), (3290, 24678), (3780, 21479), (3948, 20565), (4113, 19740), (4230, 19194), (4570, 17766), (4935, 16452), (5076, 15995), (5484, 14805), (5922, 13710), (6345, 12796), (6398, 12690), (6580, 12339), (6855, 11844), (8226, 9870), (8460, 9597), (8883, 9140)]