727398880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:477

約数の個数: 192

約数和(自身を含む): 1981324800

約数和(自身を除く): 1253925920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 31, 32, 40, 52, 58, 62, 65, 80, 104, 116, 124, 130, 145, 155, 160, 208, 232, 248, 260, 290, 310, 377, 389, 403, 416, 464, 496, 520, 580, 620, 754, 778, 806, 899, 928, 992, 1040, 1160, 1240, 1508, 1556, 1612, 1798, 1885, 1945, 2015, 2080, 2320, 2480, 3016, 3112, 3224, 3596, 3770, 3890, 4030, 4495, 4640, 4960, 5057, 6032, 6224, 6448, 7192, 7540, 7780, 8060, 8990, 10114, 11281, 11687, 12059, 12064, 12448, 12896, 14384, 15080, 15560, 16120, 17980, 20228, 22562, 23374, 24118, 25285, 28768, 30160, 31120, 32240, 35960, 40456, 45124, 46748, 48236, 50570, 56405, 58435, 60295, 60320, 62240, 64480, 71920, 80912, 90248, 93496, 96472, 101140, 112810, 116870, 120590, 143840, 146653, 156767, 161824, 180496, 186992, 192944, 202280, 225620, 233740, 241180, 293306, 313534, 349711, 360992, 373984, 385888, 404560, 451240, 467480, 482360, 586612, 627068, 699422, 733265, 783835, 809120, 902480, 934960, 964720, 1173224, 1254136, 1398844, 1466530, 1567670, 1748555, 1804960, 1869920, 1929440, 2346448, 2508272, 2797688, 2933060, 3135340, 3497110, 4546243, 4692896, 5016544, 5595376, 5866120, 6270680, 6994220, 9092486, 11190752, 11732240, 12541360, 13988440, 18184972, 22731215, 23464480, 25082720, 27976880, 36369944, 45462430, 55953760, 72739888, 90924860, 145479776, 181849720, 363699440, 727398880]

約数ペア:

[(1, 727398880), (2, 363699440), (4, 181849720), (5, 145479776), (8, 90924860), (10, 72739888), (13, 55953760), (16, 45462430), (20, 36369944), (26, 27976880), (29, 25082720), (31, 23464480), (32, 22731215), (40, 18184972), (52, 13988440), (58, 12541360), (62, 11732240), (65, 11190752), (80, 9092486), (104, 6994220), (116, 6270680), (124, 5866120), (130, 5595376), (145, 5016544), (155, 4692896), (160, 4546243), (208, 3497110), (232, 3135340), (248, 2933060), (260, 2797688), (290, 2508272), (310, 2346448), (377, 1929440), (389, 1869920), (403, 1804960), (416, 1748555), (464, 1567670), (496, 1466530), (520, 1398844), (580, 1254136), (620, 1173224), (754, 964720), (778, 934960), (806, 902480), (899, 809120), (928, 783835), (992, 733265), (1040, 699422), (1160, 627068), (1240, 586612), (1508, 482360), (1556, 467480), (1612, 451240), (1798, 404560), (1885, 385888), (1945, 373984), (2015, 360992), (2080, 349711), (2320, 313534), (2480, 293306), (3016, 241180), (3112, 233740), (3224, 225620), (3596, 202280), (3770, 192944), (3890, 186992), (4030, 180496), (4495, 161824), (4640, 156767), (4960, 146653), (5057, 143840), (6032, 120590), (6224, 116870), (6448, 112810), (7192, 101140), (7540, 96472), (7780, 93496), (8060, 90248), (8990, 80912), (10114, 71920), (11281, 64480), (11687, 62240), (12059, 60320), (12064, 60295), (12448, 58435), (12896, 56405), (14384, 50570), (15080, 48236), (15560, 46748), (16120, 45124), (17980, 40456), (20228, 35960), (22562, 32240), (23374, 31120), (24118, 30160), (25285, 28768)]