1218699960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139121}}^1$

素因数の和:139208

約数の個数: 64

約数和(自身を含む): 3706210080

約数和(自身を除く): 2487510120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 4380, 8760, 139121, 278242, 417363, 556484, 695605, 834726, 1112968, 1391210, 1669452, 2086815, 2782420, 3338904, 4173630, 5564840, 8347260, 10155833, 16694520, 20311666, 30467499, 40623332, 50779165, 60934998, 81246664, 101558330, 121869996, 152337495, 203116660, 243739992, 304674990, 406233320, 609349980, 1218699960]

約数ペア:

[(1, 1218699960), (2, 609349980), (3, 406233320), (4, 304674990), (5, 243739992), (6, 203116660), (8, 152337495), (10, 121869996), (12, 101558330), (15, 81246664), (20, 60934998), (24, 50779165), (30, 40623332), (40, 30467499), (60, 20311666), (73, 16694520), (120, 10155833), (146, 8347260), (219, 5564840), (292, 4173630), (365, 3338904), (438, 2782420), (584, 2086815), (730, 1669452), (876, 1391210), (1095, 1112968), (1460, 834726), (1752, 695605), (2190, 556484), (2920, 417363), (4380, 278242), (8760, 139121)]