128532740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 325140480

約数和(自身を除く): 196607740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 179, 223, 230, 322, 358, 446, 460, 644, 716, 805, 892, 895, 1115, 1253, 1561, 1610, 1790, 2230, 2506, 3122, 3220, 3580, 4117, 4460, 5012, 5129, 6244, 6265, 7805, 8234, 10258, 12530, 15610, 16468, 20516, 20585, 25060, 25645, 28819, 31220, 35903, 39917, 41170, 51290, 57638, 71806, 79834, 82340, 102580, 115276, 143612, 144095, 159668, 179515, 199585, 279419, 288190, 359030, 399170, 558838, 576380, 718060, 798340, 918091, 1117676, 1397095, 1836182, 2794190, 3672364, 4590455, 5588380, 6426637, 9180910, 12853274, 18361820, 25706548, 32133185, 64266370, 128532740]

約数ペア:

[(1, 128532740), (2, 64266370), (4, 32133185), (5, 25706548), (7, 18361820), (10, 12853274), (14, 9180910), (20, 6426637), (23, 5588380), (28, 4590455), (35, 3672364), (46, 2794190), (70, 1836182), (92, 1397095), (115, 1117676), (140, 918091), (161, 798340), (179, 718060), (223, 576380), (230, 558838), (322, 399170), (358, 359030), (446, 288190), (460, 279419), (644, 199585), (716, 179515), (805, 159668), (892, 144095), (895, 143612), (1115, 115276), (1253, 102580), (1561, 82340), (1610, 79834), (1790, 71806), (2230, 57638), (2506, 51290), (3122, 41170), (3220, 39917), (3580, 35903), (4117, 31220), (4460, 28819), (5012, 25645), (5129, 25060), (6244, 20585), (6265, 20516), (7805, 16468), (8234, 15610), (10258, 12530)]