12557480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 33868800

約数和(自身を除く): 21311320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 41, 52, 62, 65, 76, 82, 95, 104, 124, 130, 152, 155, 164, 190, 205, 247, 248, 260, 310, 328, 380, 403, 410, 494, 520, 533, 589, 620, 760, 779, 806, 820, 988, 1066, 1178, 1235, 1240, 1271, 1558, 1612, 1640, 1976, 2015, 2132, 2356, 2470, 2542, 2665, 2945, 3116, 3224, 3895, 4030, 4264, 4712, 4940, 5084, 5330, 5890, 6232, 6355, 7657, 7790, 8060, 9880, 10127, 10168, 10660, 11780, 12710, 15314, 15580, 16120, 16523, 20254, 21320, 23560, 24149, 25420, 30628, 31160, 33046, 38285, 40508, 48298, 50635, 50840, 61256, 66092, 76570, 81016, 82615, 96596, 101270, 120745, 132184, 153140, 165230, 193192, 202540, 241490, 306280, 313937, 330460, 405080, 482980, 627874, 660920, 965960, 1255748, 1569685, 2511496, 3139370, 6278740, 12557480]

約数ペア:

[(1, 12557480), (2, 6278740), (4, 3139370), (5, 2511496), (8, 1569685), (10, 1255748), (13, 965960), (19, 660920), (20, 627874), (26, 482980), (31, 405080), (38, 330460), (40, 313937), (41, 306280), (52, 241490), (62, 202540), (65, 193192), (76, 165230), (82, 153140), (95, 132184), (104, 120745), (124, 101270), (130, 96596), (152, 82615), (155, 81016), (164, 76570), (190, 66092), (205, 61256), (247, 50840), (248, 50635), (260, 48298), (310, 40508), (328, 38285), (380, 33046), (403, 31160), (410, 30628), (494, 25420), (520, 24149), (533, 23560), (589, 21320), (620, 20254), (760, 16523), (779, 16120), (806, 15580), (820, 15314), (988, 12710), (1066, 11780), (1178, 10660), (1235, 10168), (1240, 10127), (1271, 9880), (1558, 8060), (1612, 7790), (1640, 7657), (1976, 6355), (2015, 6232), (2132, 5890), (2356, 5330), (2470, 5084), (2542, 4940), (2665, 4712), (2945, 4264), (3116, 4030), (3224, 3895)]