247852920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2707}}^1$

素因数の和:2837

約数の個数: 128

約数和(自身を含む): 857894400

約数和(自身を除く): 610041480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 2180, 2289, 2616, 2707, 3052, 3270, 3815, 4360, 4578, 5414, 6104, 6540, 7630, 8121, 9156, 10828, 11445, 13080, 13535, 15260, 16242, 18312, 18949, 21656, 22890, 27070, 30520, 32484, 37898, 40605, 45780, 54140, 56847, 64968, 75796, 81210, 91560, 94745, 108280, 113694, 151592, 162420, 189490, 227388, 284235, 295063, 324840, 378980, 454776, 568470, 590126, 757960, 885189, 1136940, 1180252, 1475315, 1770378, 2065441, 2273880, 2360504, 2950630, 3540756, 4130882, 4425945, 5901260, 6196323, 7081512, 8261764, 8851890, 10327205, 11802520, 12392646, 16523528, 17703780, 20654410, 24785292, 30981615, 35407560, 41308820, 49570584, 61963230, 82617640, 123926460, 247852920]

約数ペア:

[(1, 247852920), (2, 123926460), (3, 82617640), (4, 61963230), (5, 49570584), (6, 41308820), (7, 35407560), (8, 30981615), (10, 24785292), (12, 20654410), (14, 17703780), (15, 16523528), (20, 12392646), (21, 11802520), (24, 10327205), (28, 8851890), (30, 8261764), (35, 7081512), (40, 6196323), (42, 5901260), (56, 4425945), (60, 4130882), (70, 3540756), (84, 2950630), (105, 2360504), (109, 2273880), (120, 2065441), (140, 1770378), (168, 1475315), (210, 1180252), (218, 1136940), (280, 885189), (327, 757960), (420, 590126), (436, 568470), (545, 454776), (654, 378980), (763, 324840), (840, 295063), (872, 284235), (1090, 227388), (1308, 189490), (1526, 162420), (1635, 151592), (2180, 113694), (2289, 108280), (2616, 94745), (2707, 91560), (3052, 81210), (3270, 75796), (3815, 64968), (4360, 56847), (4578, 54140), (5414, 45780), (6104, 40605), (6540, 37898), (7630, 32484), (8121, 30520), (9156, 27070), (10828, 22890), (11445, 21656), (13080, 18949), (13535, 18312), (15260, 16242)]