4991268240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{990331}}^1$

素因数の和:990357

約数の個数: 120

約数和(自身を含む): 19156982208

約数和(自身を除く): 14165713968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 990331, 1980662, 2970993, 3961324, 4951655, 5941986, 6932317, 7922648, 8912979, 9903310, 11883972, 13864634, 14854965, 15845296, 17825958, 19806620, 20796951, 23767944, 27729268, 29709930, 34661585, 35651916, 39613240, 41593902, 44564895, 47535888, 55458536, 59419860, 62390853, 69323170, 71303832, 79226480, 83187804, 89129790, 103984755, 110917072, 118839720, 124781706, 138646340, 142607664, 166375608, 178259580, 207969510, 237679440, 249563412, 277292680, 311954265, 332751216, 356519160, 415939020, 499126824, 554585360, 623908530, 713038320, 831878040, 998253648, 1247817060, 1663756080, 2495634120, 4991268240]

約数ペア:

[(1, 4991268240), (2, 2495634120), (3, 1663756080), (4, 1247817060), (5, 998253648), (6, 831878040), (7, 713038320), (8, 623908530), (9, 554585360), (10, 499126824), (12, 415939020), (14, 356519160), (15, 332751216), (16, 311954265), (18, 277292680), (20, 249563412), (21, 237679440), (24, 207969510), (28, 178259580), (30, 166375608), (35, 142607664), (36, 138646340), (40, 124781706), (42, 118839720), (45, 110917072), (48, 103984755), (56, 89129790), (60, 83187804), (63, 79226480), (70, 71303832), (72, 69323170), (80, 62390853), (84, 59419860), (90, 55458536), (105, 47535888), (112, 44564895), (120, 41593902), (126, 39613240), (140, 35651916), (144, 34661585), (168, 29709930), (180, 27729268), (210, 23767944), (240, 20796951), (252, 19806620), (280, 17825958), (315, 15845296), (336, 14854965), (360, 13864634), (420, 11883972), (504, 9903310), (560, 8912979), (630, 7922648), (720, 6932317), (840, 5941986), (1008, 4951655), (1260, 3961324), (1680, 2970993), (2520, 1980662), (5040, 990331)]