72389040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3389}}^1$

素因数の和:3494

約数の個数: 80

約数和(自身を含む): 226994400

約数和(自身を除く): 154605360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 3389, 3560, 4272, 5340, 6778, 7120, 10167, 10680, 13556, 16945, 20334, 21360, 27112, 33890, 40668, 50835, 54224, 67780, 81336, 101670, 135560, 162672, 203340, 271120, 301621, 406680, 603242, 813360, 904863, 1206484, 1508105, 1809726, 2412968, 3016210, 3619452, 4524315, 4825936, 6032420, 7238904, 9048630, 12064840, 14477808, 18097260, 24129680, 36194520, 72389040]

約数ペア:

[(1, 72389040), (2, 36194520), (3, 24129680), (4, 18097260), (5, 14477808), (6, 12064840), (8, 9048630), (10, 7238904), (12, 6032420), (15, 4825936), (16, 4524315), (20, 3619452), (24, 3016210), (30, 2412968), (40, 1809726), (48, 1508105), (60, 1206484), (80, 904863), (89, 813360), (120, 603242), (178, 406680), (240, 301621), (267, 271120), (356, 203340), (445, 162672), (534, 135560), (712, 101670), (890, 81336), (1068, 67780), (1335, 54224), (1424, 50835), (1780, 40668), (2136, 33890), (2670, 27112), (3389, 21360), (3560, 20334), (4272, 16945), (5340, 13556), (6778, 10680), (7120, 10167)]