78675720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15991}}^1$

素因数の和:16046

約数の個数: 64

約数和(自身を含む): 241799040

約数和(自身を除く): 163123320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 15991, 31982, 47973, 63964, 79955, 95946, 127928, 159910, 191892, 239865, 319820, 383784, 479730, 639640, 655631, 959460, 1311262, 1918920, 1966893, 2622524, 3278155, 3933786, 5245048, 6556310, 7867572, 9834465, 13112620, 15735144, 19668930, 26225240, 39337860, 78675720]

約数ペア:

[(1, 78675720), (2, 39337860), (3, 26225240), (4, 19668930), (5, 15735144), (6, 13112620), (8, 9834465), (10, 7867572), (12, 6556310), (15, 5245048), (20, 3933786), (24, 3278155), (30, 2622524), (40, 1966893), (41, 1918920), (60, 1311262), (82, 959460), (120, 655631), (123, 639640), (164, 479730), (205, 383784), (246, 319820), (328, 239865), (410, 191892), (492, 159910), (615, 127928), (820, 95946), (984, 79955), (1230, 63964), (1640, 47973), (2460, 31982), (4920, 15991)]