128876760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1321}}^1$

素因数の和:1609

約数の個数: 96

約数和(自身を含む): 420713280

約数和(自身を除く): 291836520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 271, 360, 542, 813, 1084, 1321, 1355, 1626, 2168, 2439, 2642, 2710, 3252, 3963, 4065, 4878, 5284, 5420, 6504, 6605, 7926, 8130, 9756, 10568, 10840, 11889, 12195, 13210, 15852, 16260, 19512, 19815, 23778, 24390, 26420, 31704, 32520, 39630, 47556, 48780, 52840, 59445, 79260, 95112, 97560, 118890, 158520, 237780, 357991, 475560, 715982, 1073973, 1431964, 1789955, 2147946, 2863928, 3221919, 3579910, 4295892, 5369865, 6443838, 7159820, 8591784, 10739730, 12887676, 14319640, 16109595, 21479460, 25775352, 32219190, 42958920, 64438380, 128876760]

約数ペア:

[(1, 128876760), (2, 64438380), (3, 42958920), (4, 32219190), (5, 25775352), (6, 21479460), (8, 16109595), (9, 14319640), (10, 12887676), (12, 10739730), (15, 8591784), (18, 7159820), (20, 6443838), (24, 5369865), (30, 4295892), (36, 3579910), (40, 3221919), (45, 2863928), (60, 2147946), (72, 1789955), (90, 1431964), (120, 1073973), (180, 715982), (271, 475560), (360, 357991), (542, 237780), (813, 158520), (1084, 118890), (1321, 97560), (1355, 95112), (1626, 79260), (2168, 59445), (2439, 52840), (2642, 48780), (2710, 47556), (3252, 39630), (3963, 32520), (4065, 31704), (4878, 26420), (5284, 24390), (5420, 23778), (6504, 19815), (6605, 19512), (7926, 16260), (8130, 15852), (9756, 13210), (10568, 12195), (10840, 11889)]