281631510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1310

約数の個数: 96

約数和(自身を含む): 762192288

約数和(自身を除く): 480560778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 61, 86, 90, 122, 129, 183, 215, 258, 305, 366, 387, 430, 549, 610, 645, 774, 915, 1098, 1193, 1290, 1830, 1935, 2386, 2623, 2745, 3579, 3870, 5246, 5490, 5965, 7158, 7869, 10737, 11930, 13115, 15738, 17895, 21474, 23607, 26230, 35790, 39345, 47214, 51299, 53685, 72773, 78690, 102598, 107370, 118035, 145546, 153897, 218319, 236070, 256495, 307794, 363865, 436638, 461691, 512990, 654957, 727730, 769485, 923382, 1091595, 1309914, 1538970, 2183190, 2308455, 3129239, 3274785, 4616910, 6258478, 6549570, 9387717, 15646195, 18775434, 28163151, 31292390, 46938585, 56326302, 93877170, 140815755, 281631510]

約数ペア:

[(1, 281631510), (2, 140815755), (3, 93877170), (5, 56326302), (6, 46938585), (9, 31292390), (10, 28163151), (15, 18775434), (18, 15646195), (30, 9387717), (43, 6549570), (45, 6258478), (61, 4616910), (86, 3274785), (90, 3129239), (122, 2308455), (129, 2183190), (183, 1538970), (215, 1309914), (258, 1091595), (305, 923382), (366, 769485), (387, 727730), (430, 654957), (549, 512990), (610, 461691), (645, 436638), (774, 363865), (915, 307794), (1098, 256495), (1193, 236070), (1290, 218319), (1830, 153897), (1935, 145546), (2386, 118035), (2623, 107370), (2745, 102598), (3579, 78690), (3870, 72773), (5246, 53685), (5490, 51299), (5965, 47214), (7158, 39345), (7869, 35790), (10737, 26230), (11930, 23607), (13115, 21474), (15738, 17895)]