139648680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{387913}}^1$

素因数の和:387930

約数の個数: 48

約数和(自身を含む): 453859380

約数和(自身を除く): 314210700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 387913, 775826, 1163739, 1551652, 1939565, 2327478, 3103304, 3491217, 3879130, 4654956, 5818695, 6982434, 7758260, 9309912, 11637390, 13964868, 15516520, 17456085, 23274780, 27929736, 34912170, 46549560, 69824340, 139648680]

約数ペア:

[(1, 139648680), (2, 69824340), (3, 46549560), (4, 34912170), (5, 27929736), (6, 23274780), (8, 17456085), (9, 15516520), (10, 13964868), (12, 11637390), (15, 9309912), (18, 7758260), (20, 6982434), (24, 5818695), (30, 4654956), (36, 3879130), (40, 3491217), (45, 3103304), (60, 2327478), (72, 1939565), (90, 1551652), (120, 1163739), (180, 775826), (360, 387913)]