68947980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1663}}^1$

素因数の和:2366

約数の個数: 48

約数和(自身を含む): 193449984

約数和(自身を除く): 124502004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 691, 1382, 1663, 2073, 2764, 3326, 3455, 4146, 4989, 6652, 6910, 8292, 8315, 9978, 10365, 13820, 16630, 19956, 20730, 24945, 33260, 41460, 49890, 99780, 1149133, 2298266, 3447399, 4596532, 5745665, 6894798, 11491330, 13789596, 17236995, 22982660, 34473990, 68947980]

約数ペア:

[(1, 68947980), (2, 34473990), (3, 22982660), (4, 17236995), (5, 13789596), (6, 11491330), (10, 6894798), (12, 5745665), (15, 4596532), (20, 3447399), (30, 2298266), (60, 1149133), (691, 99780), (1382, 49890), (1663, 41460), (2073, 33260), (2764, 24945), (3326, 20730), (3455, 19956), (4146, 16630), (4989, 13820), (6652, 10365), (6910, 9978), (8292, 8315)]