80105520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1643

約数の個数: 160

約数和(自身を含む): 285338880

約数和(自身を除く): 205233360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 380, 418, 440, 456, 528, 570, 627, 660, 760, 836, 880, 912, 1045, 1140, 1254, 1320, 1520, 1597, 1672, 2090, 2280, 2508, 2640, 3135, 3194, 3344, 4180, 4560, 4791, 5016, 6270, 6388, 7985, 8360, 9582, 10032, 12540, 12776, 15970, 16720, 17567, 19164, 23955, 25080, 25552, 30343, 31940, 35134, 38328, 47910, 50160, 52701, 60686, 63880, 70268, 76656, 87835, 91029, 95820, 105402, 121372, 127760, 140536, 151715, 175670, 182058, 191640, 210804, 242744, 263505, 281072, 303430, 333773, 351340, 364116, 383280, 421608, 455145, 485488, 527010, 606860, 667546, 702680, 728232, 843216, 910290, 1001319, 1054020, 1213720, 1335092, 1405360, 1456464, 1668865, 1820580, 2002638, 2108040, 2427440, 2670184, 3337730, 3641160, 4005276, 4216080, 5006595, 5340368, 6675460, 7282320, 8010552, 10013190, 13350920, 16021104, 20026380, 26701840, 40052760, 80105520]

約数ペア:

[(1, 80105520), (2, 40052760), (3, 26701840), (4, 20026380), (5, 16021104), (6, 13350920), (8, 10013190), (10, 8010552), (11, 7282320), (12, 6675460), (15, 5340368), (16, 5006595), (19, 4216080), (20, 4005276), (22, 3641160), (24, 3337730), (30, 2670184), (33, 2427440), (38, 2108040), (40, 2002638), (44, 1820580), (48, 1668865), (55, 1456464), (57, 1405360), (60, 1335092), (66, 1213720), (76, 1054020), (80, 1001319), (88, 910290), (95, 843216), (110, 728232), (114, 702680), (120, 667546), (132, 606860), (152, 527010), (165, 485488), (176, 455145), (190, 421608), (209, 383280), (220, 364116), (228, 351340), (240, 333773), (264, 303430), (285, 281072), (304, 263505), (330, 242744), (380, 210804), (418, 191640), (440, 182058), (456, 175670), (528, 151715), (570, 140536), (627, 127760), (660, 121372), (760, 105402), (836, 95820), (880, 91029), (912, 87835), (1045, 76656), (1140, 70268), (1254, 63880), (1320, 60686), (1520, 52701), (1597, 50160), (1672, 47910), (2090, 38328), (2280, 35134), (2508, 31940), (2640, 30343), (3135, 25552), (3194, 25080), (3344, 23955), (4180, 19164), (4560, 17567), (4791, 16720), (5016, 15970), (6270, 12776), (6388, 12540), (7985, 10032), (8360, 9582)]