31350760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 55740440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 83, 95, 133, 140, 142, 152, 166, 190, 266, 280, 284, 332, 355, 380, 415, 497, 532, 568, 581, 664, 665, 710, 760, 830, 994, 1064, 1162, 1330, 1349, 1420, 1577, 1660, 1988, 2324, 2485, 2660, 2698, 2840, 2905, 3154, 3320, 3976, 4648, 4970, 5320, 5396, 5810, 5893, 6308, 6745, 7885, 9443, 9940, 10792, 11039, 11620, 11786, 12616, 13490, 15770, 18886, 19880, 22078, 23240, 23572, 26980, 29465, 31540, 37772, 41251, 44156, 47144, 47215, 53960, 55195, 58930, 63080, 75544, 82502, 88312, 94430, 110390, 111967, 117860, 165004, 188860, 206255, 220780, 223934, 235720, 330008, 377720, 412510, 441560, 447868, 559835, 783769, 825020, 895736, 1119670, 1567538, 1650040, 2239340, 3135076, 3918845, 4478680, 6270152, 7837690, 15675380, 31350760]

約数ペア:

[(1, 31350760), (2, 15675380), (4, 7837690), (5, 6270152), (7, 4478680), (8, 3918845), (10, 3135076), (14, 2239340), (19, 1650040), (20, 1567538), (28, 1119670), (35, 895736), (38, 825020), (40, 783769), (56, 559835), (70, 447868), (71, 441560), (76, 412510), (83, 377720), (95, 330008), (133, 235720), (140, 223934), (142, 220780), (152, 206255), (166, 188860), (190, 165004), (266, 117860), (280, 111967), (284, 110390), (332, 94430), (355, 88312), (380, 82502), (415, 75544), (497, 63080), (532, 58930), (568, 55195), (581, 53960), (664, 47215), (665, 47144), (710, 44156), (760, 41251), (830, 37772), (994, 31540), (1064, 29465), (1162, 26980), (1330, 23572), (1349, 23240), (1420, 22078), (1577, 19880), (1660, 18886), (1988, 15770), (2324, 13490), (2485, 12616), (2660, 11786), (2698, 11620), (2840, 11039), (2905, 10792), (3154, 9940), (3320, 9443), (3976, 7885), (4648, 6745), (4970, 6308), (5320, 5893), (5396, 5810)]