420302960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 240

約数和(自身を含む): 1276632576

約数和(自身を除く): 856329616

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 71, 77, 80, 88, 110, 112, 124, 140, 142, 154, 155, 176, 217, 220, 248, 280, 284, 308, 310, 341, 355, 385, 434, 440, 496, 497, 560, 568, 616, 620, 682, 710, 770, 781, 868, 880, 961, 994, 1085, 1136, 1232, 1240, 1364, 1420, 1540, 1562, 1705, 1736, 1922, 1988, 2170, 2201, 2387, 2480, 2485, 2728, 2840, 3080, 3124, 3410, 3472, 3844, 3905, 3976, 4340, 4402, 4774, 4805, 4970, 5456, 5467, 5680, 6160, 6248, 6727, 6820, 7688, 7810, 7952, 8680, 8804, 9548, 9610, 9940, 10571, 10934, 11005, 11935, 12496, 13454, 13640, 15376, 15407, 15620, 17360, 17608, 19096, 19220, 19880, 21142, 21868, 22010, 23870, 24211, 26908, 27280, 27335, 30814, 31240, 33635, 35216, 38192, 38440, 39760, 42284, 43736, 44020, 47740, 48422, 52855, 53816, 54670, 61628, 62480, 67270, 68231, 73997, 76880, 77035, 84568, 87472, 88040, 95480, 96844, 105710, 107632, 109340, 121055, 123256, 134540, 136462, 147994, 154070, 169136, 169477, 176080, 190960, 193688, 211420, 218680, 242110, 246512, 269080, 272924, 295988, 308140, 338954, 341155, 369985, 387376, 422840, 437360, 477617, 484220, 538160, 545848, 591976, 616280, 677908, 682310, 739970, 750541, 845680, 847385, 955234, 968440, 1091696, 1183952, 1232560, 1355816, 1364620, 1479940, 1501082, 1694770, 1910468, 1936880, 2388085, 2711632, 2729240, 2959880, 3002164, 3389540, 3752705, 3820936, 4776170, 5253787, 5458480, 5919760, 6004328, 6779080, 7505410, 7641872, 9552340, 10507574, 12008656, 13558160, 15010820, 19104680, 21015148, 26268935, 30021640, 38209360, 42030296, 52537870, 60043280, 84060592, 105075740, 210151480, 420302960]

約数ペア:

[(1, 420302960), (2, 210151480), (4, 105075740), (5, 84060592), (7, 60043280), (8, 52537870), (10, 42030296), (11, 38209360), (14, 30021640), (16, 26268935), (20, 21015148), (22, 19104680), (28, 15010820), (31, 13558160), (35, 12008656), (40, 10507574), (44, 9552340), (55, 7641872), (56, 7505410), (62, 6779080), (70, 6004328), (71, 5919760), (77, 5458480), (80, 5253787), (88, 4776170), (110, 3820936), (112, 3752705), (124, 3389540), (140, 3002164), (142, 2959880), (154, 2729240), (155, 2711632), (176, 2388085), (217, 1936880), (220, 1910468), (248, 1694770), (280, 1501082), (284, 1479940), (308, 1364620), (310, 1355816), (341, 1232560), (355, 1183952), (385, 1091696), (434, 968440), (440, 955234), (496, 847385), (497, 845680), (560, 750541), (568, 739970), (616, 682310), (620, 677908), (682, 616280), (710, 591976), (770, 545848), (781, 538160), (868, 484220), (880, 477617), (961, 437360), (994, 422840), (1085, 387376), (1136, 369985), (1232, 341155), (1240, 338954), (1364, 308140), (1420, 295988), (1540, 272924), (1562, 269080), (1705, 246512), (1736, 242110), (1922, 218680), (1988, 211420), (2170, 193688), (2201, 190960), (2387, 176080), (2480, 169477), (2485, 169136), (2728, 154070), (2840, 147994), (3080, 136462), (3124, 134540), (3410, 123256), (3472, 121055), (3844, 109340), (3905, 107632), (3976, 105710), (4340, 96844), (4402, 95480), (4774, 88040), (4805, 87472), (4970, 84568), (5456, 77035), (5467, 76880), (5680, 73997), (6160, 68231), (6248, 67270), (6727, 62480), (6820, 61628), (7688, 54670), (7810, 53816), (7952, 52855), (8680, 48422), (8804, 47740), (9548, 44020), (9610, 43736), (9940, 42284), (10571, 39760), (10934, 38440), (11005, 38192), (11935, 35216), (12496, 33635), (13454, 31240), (13640, 30814), (15376, 27335), (15407, 27280), (15620, 26908), (17360, 24211), (17608, 23870), (19096, 22010), (19220, 21868), (19880, 21142)]