990406440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1279}}^1$

素因数の和:1541

約数の個数: 160

約数和(自身を含む): 3345408000

約数和(自身を除く): 2355001560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 239, 270, 324, 360, 405, 478, 540, 648, 717, 810, 956, 1080, 1195, 1279, 1434, 1620, 1912, 2151, 2390, 2558, 2868, 3240, 3585, 3837, 4302, 4780, 5116, 5736, 6395, 6453, 7170, 7674, 8604, 9560, 10232, 10755, 11511, 12790, 12906, 14340, 15348, 17208, 19185, 19359, 21510, 23022, 25580, 25812, 28680, 30696, 32265, 34533, 38370, 38718, 43020, 46044, 51160, 51624, 57555, 64530, 69066, 76740, 77436, 86040, 92088, 96795, 103599, 115110, 129060, 138132, 153480, 154872, 172665, 193590, 207198, 230220, 258120, 276264, 305681, 345330, 387180, 414396, 460440, 517995, 611362, 690660, 774360, 828792, 917043, 1035990, 1222724, 1381320, 1528405, 1834086, 2071980, 2445448, 2751129, 3056810, 3668172, 4143960, 4585215, 5502258, 6113620, 7336344, 8253387, 9170430, 11004516, 12227240, 13755645, 16506774, 18340860, 22009032, 24760161, 27511290, 33013548, 36681720, 41266935, 49520322, 55022580, 66027096, 82533870, 99040644, 110045160, 123800805, 165067740, 198081288, 247601610, 330135480, 495203220, 990406440]

約数ペア:

[(1, 990406440), (2, 495203220), (3, 330135480), (4, 247601610), (5, 198081288), (6, 165067740), (8, 123800805), (9, 110045160), (10, 99040644), (12, 82533870), (15, 66027096), (18, 55022580), (20, 49520322), (24, 41266935), (27, 36681720), (30, 33013548), (36, 27511290), (40, 24760161), (45, 22009032), (54, 18340860), (60, 16506774), (72, 13755645), (81, 12227240), (90, 11004516), (108, 9170430), (120, 8253387), (135, 7336344), (162, 6113620), (180, 5502258), (216, 4585215), (239, 4143960), (270, 3668172), (324, 3056810), (360, 2751129), (405, 2445448), (478, 2071980), (540, 1834086), (648, 1528405), (717, 1381320), (810, 1222724), (956, 1035990), (1080, 917043), (1195, 828792), (1279, 774360), (1434, 690660), (1620, 611362), (1912, 517995), (2151, 460440), (2390, 414396), (2558, 387180), (2868, 345330), (3240, 305681), (3585, 276264), (3837, 258120), (4302, 230220), (4780, 207198), (5116, 193590), (5736, 172665), (6395, 154872), (6453, 153480), (7170, 138132), (7674, 129060), (8604, 115110), (9560, 103599), (10232, 96795), (10755, 92088), (11511, 86040), (12790, 77436), (12906, 76740), (14340, 69066), (15348, 64530), (17208, 57555), (19185, 51624), (19359, 51160), (21510, 46044), (23022, 43020), (25580, 38718), (25812, 38370), (28680, 34533), (30696, 32265)]