657664560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{130489}}^1$

素因数の和:130515

約数の個数: 120

約数和(自身を含む): 2524198560

約数和(自身を除く): 1866534000

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, 130489, 260978, 391467, 521956, 652445, 782934, 913423, 1043912, 1174401, 1304890, 1565868, 1826846, 1957335, 2087824, 2348802, 2609780, 2740269, 3131736, 3653692, 3914670, 4567115, 4697604, 5219560, 5480538, 5872005, 6263472, 7307384, 7829340, 8220807, 9134230, 9395208, 10439120, 10961076, 11744010, 13701345, 14614768, 15658680, 16441614, 18268460, 18790416, 21922152, 23488020, 27402690, 31317360, 32883228, 36536920, 41104035, 43844304, 46976040, 54805380, 65766456, 73073840, 82208070, 93952080, 109610760, 131532912, 164416140, 219221520, 328832280, 657664560]

約数ペア:

[(1, 657664560), (2, 328832280), (3, 219221520), (4, 164416140), (5, 131532912), (6, 109610760), (7, 93952080), (8, 82208070), (9, 73073840), (10, 65766456), (12, 54805380), (14, 46976040), (15, 43844304), (16, 41104035), (18, 36536920), (20, 32883228), (21, 31317360), (24, 27402690), (28, 23488020), (30, 21922152), (35, 18790416), (36, 18268460), (40, 16441614), (42, 15658680), (45, 14614768), (48, 13701345), (56, 11744010), (60, 10961076), (63, 10439120), (70, 9395208), (72, 9134230), (80, 8220807), (84, 7829340), (90, 7307384), (105, 6263472), (112, 5872005), (120, 5480538), (126, 5219560), (140, 4697604), (144, 4567115), (168, 3914670), (180, 3653692), (210, 3131736), (240, 2740269), (252, 2609780), (280, 2348802), (315, 2087824), (336, 1957335), (360, 1826846), (420, 1565868), (504, 1304890), (560, 1174401), (630, 1043912), (720, 913423), (840, 782934), (1008, 652445), (1260, 521956), (1680, 391467), (2520, 260978), (5040, 130489)]