128830920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15121}}^1$

素因数の和:15206

約数の個数: 64

約数和(自身を含む): 391962240

約数和(自身を除く): 263131320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 15121, 30242, 45363, 60484, 75605, 90726, 120968, 151210, 181452, 226815, 302420, 362904, 453630, 604840, 907260, 1073591, 1814520, 2147182, 3220773, 4294364, 5367955, 6441546, 8588728, 10735910, 12883092, 16103865, 21471820, 25766184, 32207730, 42943640, 64415460, 128830920]

約数ペア:

[(1, 128830920), (2, 64415460), (3, 42943640), (4, 32207730), (5, 25766184), (6, 21471820), (8, 16103865), (10, 12883092), (12, 10735910), (15, 8588728), (20, 6441546), (24, 5367955), (30, 4294364), (40, 3220773), (60, 2147182), (71, 1814520), (120, 1073591), (142, 907260), (213, 604840), (284, 453630), (355, 362904), (426, 302420), (568, 226815), (710, 181452), (852, 151210), (1065, 120968), (1420, 90726), (1704, 75605), (2130, 60484), (2840, 45363), (4260, 30242), (8520, 15121)]