855884120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3221}}^1$

素因数の和:3325

約数の個数: 128

約数和(自身を含む): 2403354240

約数和(自身を除く): 1547470120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 728, 730, 910, 949, 1022, 1460, 1820, 1898, 2044, 2555, 2920, 3221, 3640, 3796, 4088, 4745, 5110, 6442, 6643, 7592, 9490, 10220, 12884, 13286, 16105, 18980, 20440, 22547, 25768, 26572, 32210, 33215, 37960, 41873, 45094, 53144, 64420, 66430, 83746, 90188, 112735, 128840, 132860, 167492, 180376, 209365, 225470, 235133, 265720, 293111, 334984, 418730, 450940, 470266, 586222, 837460, 901880, 940532, 1172444, 1175665, 1465555, 1645931, 1674920, 1881064, 2344888, 2351330, 2931110, 3056729, 3291862, 4702660, 5862220, 6113458, 6583724, 8229655, 9405320, 11724440, 12226916, 13167448, 15283645, 16459310, 21397103, 24453832, 30567290, 32918620, 42794206, 61134580, 65837240, 85588412, 106985515, 122269160, 171176824, 213971030, 427942060, 855884120]

約数ペア:

[(1, 855884120), (2, 427942060), (4, 213971030), (5, 171176824), (7, 122269160), (8, 106985515), (10, 85588412), (13, 65837240), (14, 61134580), (20, 42794206), (26, 32918620), (28, 30567290), (35, 24453832), (40, 21397103), (52, 16459310), (56, 15283645), (65, 13167448), (70, 12226916), (73, 11724440), (91, 9405320), (104, 8229655), (130, 6583724), (140, 6113458), (146, 5862220), (182, 4702660), (260, 3291862), (280, 3056729), (292, 2931110), (364, 2351330), (365, 2344888), (455, 1881064), (511, 1674920), (520, 1645931), (584, 1465555), (728, 1175665), (730, 1172444), (910, 940532), (949, 901880), (1022, 837460), (1460, 586222), (1820, 470266), (1898, 450940), (2044, 418730), (2555, 334984), (2920, 293111), (3221, 265720), (3640, 235133), (3796, 225470), (4088, 209365), (4745, 180376), (5110, 167492), (6442, 132860), (6643, 128840), (7592, 112735), (9490, 90188), (10220, 83746), (12884, 66430), (13286, 64420), (16105, 53144), (18980, 45094), (20440, 41873), (22547, 37960), (25768, 33215), (26572, 32210)]