1215900560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:721

約数の個数: 160

約数和(自身を含む): 3343928832

約数和(自身を除く): 2128028272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 71, 80, 106, 112, 140, 142, 212, 265, 280, 284, 355, 371, 424, 497, 530, 560, 568, 577, 710, 742, 848, 994, 1060, 1136, 1154, 1420, 1484, 1855, 1988, 2120, 2308, 2485, 2840, 2885, 2968, 3710, 3763, 3976, 4039, 4240, 4616, 4970, 5680, 5770, 5936, 7420, 7526, 7952, 8078, 9232, 9940, 11540, 14840, 15052, 16156, 18815, 19880, 20195, 23080, 26341, 29680, 30104, 30581, 32312, 37630, 39760, 40390, 40967, 46160, 52682, 60208, 61162, 64624, 75260, 80780, 81934, 105364, 122324, 131705, 150520, 152905, 161560, 163868, 204835, 210728, 214067, 244648, 263410, 286769, 301040, 305810, 323120, 327736, 409670, 421456, 428134, 489296, 526820, 573538, 611620, 655472, 819340, 856268, 1053640, 1070335, 1147076, 1223240, 1433845, 1638680, 1712536, 2107280, 2140670, 2171251, 2294152, 2446480, 2867690, 3277360, 3425072, 4281340, 4342502, 4588304, 5735380, 8562680, 8685004, 10856255, 11470760, 15198757, 17125360, 17370008, 21712510, 22941520, 30397514, 34740016, 43425020, 60795028, 75993785, 86850040, 121590056, 151987570, 173700080, 243180112, 303975140, 607950280, 1215900560]

約数ペア:

[(1, 1215900560), (2, 607950280), (4, 303975140), (5, 243180112), (7, 173700080), (8, 151987570), (10, 121590056), (14, 86850040), (16, 75993785), (20, 60795028), (28, 43425020), (35, 34740016), (40, 30397514), (53, 22941520), (56, 21712510), (70, 17370008), (71, 17125360), (80, 15198757), (106, 11470760), (112, 10856255), (140, 8685004), (142, 8562680), (212, 5735380), (265, 4588304), (280, 4342502), (284, 4281340), (355, 3425072), (371, 3277360), (424, 2867690), (497, 2446480), (530, 2294152), (560, 2171251), (568, 2140670), (577, 2107280), (710, 1712536), (742, 1638680), (848, 1433845), (994, 1223240), (1060, 1147076), (1136, 1070335), (1154, 1053640), (1420, 856268), (1484, 819340), (1855, 655472), (1988, 611620), (2120, 573538), (2308, 526820), (2485, 489296), (2840, 428134), (2885, 421456), (2968, 409670), (3710, 327736), (3763, 323120), (3976, 305810), (4039, 301040), (4240, 286769), (4616, 263410), (4970, 244648), (5680, 214067), (5770, 210728), (5936, 204835), (7420, 163868), (7526, 161560), (7952, 152905), (8078, 150520), (9232, 131705), (9940, 122324), (11540, 105364), (14840, 81934), (15052, 80780), (16156, 75260), (18815, 64624), (19880, 61162), (20195, 60208), (23080, 52682), (26341, 46160), (29680, 40967), (30104, 40390), (30581, 39760), (32312, 37630)]