639780360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{3571}}^1$

素因数の和:5078

約数の個数: 64

約数和(自身を含む): 1921164480

約数和(自身を除く): 1281384120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1493, 2986, 3571, 4479, 5972, 7142, 7465, 8958, 10713, 11944, 14284, 14930, 17855, 17916, 21426, 22395, 28568, 29860, 35710, 35832, 42852, 44790, 53565, 59720, 71420, 85704, 89580, 107130, 142840, 179160, 214260, 428520, 5331503, 10663006, 15994509, 21326012, 26657515, 31989018, 42652024, 53315030, 63978036, 79972545, 106630060, 127956072, 159945090, 213260120, 319890180, 639780360]

約数ペア:

[(1, 639780360), (2, 319890180), (3, 213260120), (4, 159945090), (5, 127956072), (6, 106630060), (8, 79972545), (10, 63978036), (12, 53315030), (15, 42652024), (20, 31989018), (24, 26657515), (30, 21326012), (40, 15994509), (60, 10663006), (120, 5331503), (1493, 428520), (2986, 214260), (3571, 179160), (4479, 142840), (5972, 107130), (7142, 89580), (7465, 85704), (8958, 71420), (10713, 59720), (11944, 53565), (14284, 44790), (14930, 42852), (17855, 35832), (17916, 35710), (21426, 29860), (22395, 28568)]