80731560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7393}}^1$

素因数の和:7427

約数の個数: 128

約数和(自身を含む): 298126080

約数和(自身を除く): 217394520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 7393, 10920, 14786, 22179, 29572, 36965, 44358, 51751, 59144, 73930, 88716, 96109, 103502, 110895, 147860, 155253, 177432, 192218, 207004, 221790, 258755, 288327, 295720, 310506, 384436, 414008, 443580, 480545, 517510, 576654, 621012, 672763, 768872, 776265, 887160, 961090, 1035020, 1153308, 1242024, 1345526, 1441635, 1552530, 1922180, 2018289, 2070040, 2306616, 2691052, 2883270, 3105060, 3363815, 3844360, 4036578, 5382104, 5766540, 6210120, 6727630, 8073156, 10091445, 11533080, 13455260, 16146312, 20182890, 26910520, 40365780, 80731560]

約数ペア:

[(1, 80731560), (2, 40365780), (3, 26910520), (4, 20182890), (5, 16146312), (6, 13455260), (7, 11533080), (8, 10091445), (10, 8073156), (12, 6727630), (13, 6210120), (14, 5766540), (15, 5382104), (20, 4036578), (21, 3844360), (24, 3363815), (26, 3105060), (28, 2883270), (30, 2691052), (35, 2306616), (39, 2070040), (40, 2018289), (42, 1922180), (52, 1552530), (56, 1441635), (60, 1345526), (65, 1242024), (70, 1153308), (78, 1035020), (84, 961090), (91, 887160), (104, 776265), (105, 768872), (120, 672763), (130, 621012), (140, 576654), (156, 517510), (168, 480545), (182, 443580), (195, 414008), (210, 384436), (260, 310506), (273, 295720), (280, 288327), (312, 258755), (364, 221790), (390, 207004), (420, 192218), (455, 177432), (520, 155253), (546, 147860), (728, 110895), (780, 103502), (840, 96109), (910, 88716), (1092, 73930), (1365, 59144), (1560, 51751), (1820, 44358), (2184, 36965), (2730, 29572), (3640, 22179), (5460, 14786), (7393, 10920)]