78307980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3943}}^1$

素因数の和:4286

約数の個数: 48

約数和(自身を含む): 219980544

約数和(自身を除く): 141672564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1655, 1986, 3310, 3943, 3972, 4965, 6620, 7886, 9930, 11829, 15772, 19715, 19860, 23658, 39430, 47316, 59145, 78860, 118290, 236580, 1305133, 2610266, 3915399, 5220532, 6525665, 7830798, 13051330, 15661596, 19576995, 26102660, 39153990, 78307980]

約数ペア:

[(1, 78307980), (2, 39153990), (3, 26102660), (4, 19576995), (5, 15661596), (6, 13051330), (10, 7830798), (12, 6525665), (15, 5220532), (20, 3915399), (30, 2610266), (60, 1305133), (331, 236580), (662, 118290), (993, 78860), (1324, 59145), (1655, 47316), (1986, 39430), (3310, 23658), (3943, 19860), (3972, 19715), (4965, 15772), (6620, 11829), (7886, 9930)]