80515120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2357}}^1$

素因数の和:2438

約数の個数: 80

約数和(自身を含む): 217539648

約数和(自身を除く): 137024528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2357, 2440, 3416, 4270, 4714, 4880, 6832, 8540, 9428, 11785, 16499, 17080, 18856, 23570, 32998, 34160, 37712, 47140, 65996, 82495, 94280, 131992, 143777, 164990, 188560, 263984, 287554, 329980, 575108, 659960, 718885, 1006439, 1150216, 1319920, 1437770, 2012878, 2300432, 2875540, 4025756, 5032195, 5751080, 8051512, 10064390, 11502160, 16103024, 20128780, 40257560, 80515120]

約数ペア:

[(1, 80515120), (2, 40257560), (4, 20128780), (5, 16103024), (7, 11502160), (8, 10064390), (10, 8051512), (14, 5751080), (16, 5032195), (20, 4025756), (28, 2875540), (35, 2300432), (40, 2012878), (56, 1437770), (61, 1319920), (70, 1150216), (80, 1006439), (112, 718885), (122, 659960), (140, 575108), (244, 329980), (280, 287554), (305, 263984), (427, 188560), (488, 164990), (560, 143777), (610, 131992), (854, 94280), (976, 82495), (1220, 65996), (1708, 47140), (2135, 37712), (2357, 34160), (2440, 32998), (3416, 23570), (4270, 18856), (4714, 17080), (4880, 16499), (6832, 11785), (8540, 9428)]