12720360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1578

約数の個数: 64

約数和(自身を含む): 38724480

約数和(自身を除く): 26004120

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, 1493, 1704, 2130, 2840, 2986, 4260, 4479, 5972, 7465, 8520, 8958, 11944, 14930, 17916, 22395, 29860, 35832, 44790, 59720, 89580, 106003, 179160, 212006, 318009, 424012, 530015, 636018, 848024, 1060030, 1272036, 1590045, 2120060, 2544072, 3180090, 4240120, 6360180, 12720360]

約数ペア:

[(1, 12720360), (2, 6360180), (3, 4240120), (4, 3180090), (5, 2544072), (6, 2120060), (8, 1590045), (10, 1272036), (12, 1060030), (15, 848024), (20, 636018), (24, 530015), (30, 424012), (40, 318009), (60, 212006), (71, 179160), (120, 106003), (142, 89580), (213, 59720), (284, 44790), (355, 35832), (426, 29860), (568, 22395), (710, 17916), (852, 14930), (1065, 11944), (1420, 8958), (1493, 8520), (1704, 7465), (2130, 5972), (2840, 4479), (2986, 4260)]