74757780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21859}}^1$

素因数の和:21893

約数の個数: 72

約数和(自身を含む): 238711200

約数和(自身を除く): 163953420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21859, 43718, 65577, 87436, 109295, 131154, 196731, 218590, 262308, 327885, 393462, 415321, 437180, 655770, 786924, 830642, 983655, 1245963, 1311540, 1661284, 1967310, 2076605, 2491926, 3737889, 3934620, 4153210, 4983852, 6229815, 7475778, 8306420, 12459630, 14951556, 18689445, 24919260, 37378890, 74757780]

約数ペア:

[(1, 74757780), (2, 37378890), (3, 24919260), (4, 18689445), (5, 14951556), (6, 12459630), (9, 8306420), (10, 7475778), (12, 6229815), (15, 4983852), (18, 4153210), (19, 3934620), (20, 3737889), (30, 2491926), (36, 2076605), (38, 1967310), (45, 1661284), (57, 1311540), (60, 1245963), (76, 983655), (90, 830642), (95, 786924), (114, 655770), (171, 437180), (180, 415321), (190, 393462), (228, 327885), (285, 262308), (342, 218590), (380, 196731), (570, 131154), (684, 109295), (855, 87436), (1140, 65577), (1710, 43718), (3420, 21859)]