2907720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 9729720

約数和(自身を除く): 6822000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 197, 205, 246, 328, 360, 369, 394, 410, 492, 591, 615, 738, 788, 820, 984, 985, 1182, 1230, 1476, 1576, 1640, 1773, 1845, 1970, 2364, 2460, 2952, 2955, 3546, 3690, 3940, 4728, 4920, 5910, 7092, 7380, 7880, 8077, 8865, 11820, 14184, 14760, 16154, 17730, 23640, 24231, 32308, 35460, 40385, 48462, 64616, 70920, 72693, 80770, 96924, 121155, 145386, 161540, 193848, 242310, 290772, 323080, 363465, 484620, 581544, 726930, 969240, 1453860, 2907720]

約数ペア:

[(1, 2907720), (2, 1453860), (3, 969240), (4, 726930), (5, 581544), (6, 484620), (8, 363465), (9, 323080), (10, 290772), (12, 242310), (15, 193848), (18, 161540), (20, 145386), (24, 121155), (30, 96924), (36, 80770), (40, 72693), (41, 70920), (45, 64616), (60, 48462), (72, 40385), (82, 35460), (90, 32308), (120, 24231), (123, 23640), (164, 17730), (180, 16154), (197, 14760), (205, 14184), (246, 11820), (328, 8865), (360, 8077), (369, 7880), (394, 7380), (410, 7092), (492, 5910), (591, 4920), (615, 4728), (738, 3940), (788, 3690), (820, 3546), (984, 2955), (985, 2952), (1182, 2460), (1230, 2364), (1476, 1970), (1576, 1845), (1640, 1773)]