1209840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^2$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 3804072

約数和(自身を除く): 2594232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5041, 5680, 8520, 10082, 15123, 17040, 20164, 25205, 30246, 40328, 50410, 60492, 75615, 80656, 100820, 120984, 151230, 201640, 241968, 302460, 403280, 604920, 1209840]

約数ペア:

[(1, 1209840), (2, 604920), (3, 403280), (4, 302460), (5, 241968), (6, 201640), (8, 151230), (10, 120984), (12, 100820), (15, 80656), (16, 75615), (20, 60492), (24, 50410), (30, 40328), (40, 30246), (48, 25205), (60, 20164), (71, 17040), (80, 15123), (120, 10082), (142, 8520), (213, 5680), (240, 5041), (284, 4260), (355, 3408), (426, 2840), (568, 2130), (710, 1704), (852, 1420), (1065, 1136)]