80804360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 227404800

約数和(自身を除く): 146600440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 182, 260, 280, 281, 316, 364, 395, 455, 520, 553, 562, 632, 728, 790, 910, 1027, 1106, 1124, 1405, 1580, 1820, 1967, 2054, 2212, 2248, 2765, 2810, 3160, 3640, 3653, 3934, 4108, 4424, 5135, 5530, 5620, 7189, 7306, 7868, 8216, 9835, 10270, 11060, 11240, 14378, 14612, 15736, 18265, 19670, 20540, 22120, 22199, 25571, 28756, 29224, 35945, 36530, 39340, 41080, 44398, 51142, 57512, 71890, 73060, 78680, 88796, 102284, 110995, 127855, 143780, 146120, 155393, 177592, 204568, 221990, 255710, 287560, 288587, 310786, 443980, 511420, 577174, 621572, 776965, 887960, 1022840, 1154348, 1243144, 1442935, 1553930, 2020109, 2308696, 2885870, 3107860, 4040218, 5771740, 6215720, 8080436, 10100545, 11543480, 16160872, 20201090, 40402180, 80804360]

約数ペア:

[(1, 80804360), (2, 40402180), (4, 20201090), (5, 16160872), (7, 11543480), (8, 10100545), (10, 8080436), (13, 6215720), (14, 5771740), (20, 4040218), (26, 3107860), (28, 2885870), (35, 2308696), (40, 2020109), (52, 1553930), (56, 1442935), (65, 1243144), (70, 1154348), (79, 1022840), (91, 887960), (104, 776965), (130, 621572), (140, 577174), (158, 511420), (182, 443980), (260, 310786), (280, 288587), (281, 287560), (316, 255710), (364, 221990), (395, 204568), (455, 177592), (520, 155393), (553, 146120), (562, 143780), (632, 127855), (728, 110995), (790, 102284), (910, 88796), (1027, 78680), (1106, 73060), (1124, 71890), (1405, 57512), (1580, 51142), (1820, 44398), (1967, 41080), (2054, 39340), (2212, 36530), (2248, 35945), (2765, 29224), (2810, 28756), (3160, 25571), (3640, 22199), (3653, 22120), (3934, 20540), (4108, 19670), (4424, 18265), (5135, 15736), (5530, 14612), (5620, 14378), (7189, 11240), (7306, 11060), (7868, 10270), (8216, 9835)]