291220440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4177}}^1$

素因数の和:4281

約数の個数: 128

約数和(自身を含む): 1010741760

約数和(自身を除く): 719521320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1162, 1245, 1660, 1743, 1992, 2324, 2490, 2905, 3320, 3486, 4177, 4648, 4980, 5810, 6972, 8354, 8715, 9960, 11620, 12531, 13944, 16708, 17430, 20885, 23240, 25062, 29239, 33416, 34860, 41770, 50124, 58478, 62655, 69720, 83540, 87717, 100248, 116956, 125310, 146195, 167080, 175434, 233912, 250620, 292390, 346691, 350868, 438585, 501240, 584780, 693382, 701736, 877170, 1040073, 1169560, 1386764, 1733455, 1754340, 2080146, 2426837, 2773528, 3466910, 3508680, 4160292, 4853674, 5200365, 6933820, 7280511, 8320584, 9707348, 10400730, 12134185, 13867640, 14561022, 19414696, 20801460, 24268370, 29122044, 36402555, 41602920, 48536740, 58244088, 72805110, 97073480, 145610220, 291220440]

約数ペア:

[(1, 291220440), (2, 145610220), (3, 97073480), (4, 72805110), (5, 58244088), (6, 48536740), (7, 41602920), (8, 36402555), (10, 29122044), (12, 24268370), (14, 20801460), (15, 19414696), (20, 14561022), (21, 13867640), (24, 12134185), (28, 10400730), (30, 9707348), (35, 8320584), (40, 7280511), (42, 6933820), (56, 5200365), (60, 4853674), (70, 4160292), (83, 3508680), (84, 3466910), (105, 2773528), (120, 2426837), (140, 2080146), (166, 1754340), (168, 1733455), (210, 1386764), (249, 1169560), (280, 1040073), (332, 877170), (415, 701736), (420, 693382), (498, 584780), (581, 501240), (664, 438585), (830, 350868), (840, 346691), (996, 292390), (1162, 250620), (1245, 233912), (1660, 175434), (1743, 167080), (1992, 146195), (2324, 125310), (2490, 116956), (2905, 100248), (3320, 87717), (3486, 83540), (4177, 69720), (4648, 62655), (4980, 58478), (5810, 50124), (6972, 41770), (8354, 34860), (8715, 33416), (9960, 29239), (11620, 25062), (12531, 23240), (13944, 20885), (16708, 17430)]