68428980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13109}}^1$

素因数の和:13153

約数の個数: 72

約数和(自身を含む): 214741800

約数和(自身を除く): 146312820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 13109, 26218, 39327, 52436, 65545, 78654, 117981, 131090, 157308, 196635, 235962, 262180, 380161, 393270, 471924, 589905, 760322, 786540, 1140483, 1179810, 1520644, 1900805, 2280966, 2359620, 3421449, 3801610, 4561932, 5702415, 6842898, 7603220, 11404830, 13685796, 17107245, 22809660, 34214490, 68428980]

約数ペア:

[(1, 68428980), (2, 34214490), (3, 22809660), (4, 17107245), (5, 13685796), (6, 11404830), (9, 7603220), (10, 6842898), (12, 5702415), (15, 4561932), (18, 3801610), (20, 3421449), (29, 2359620), (30, 2280966), (36, 1900805), (45, 1520644), (58, 1179810), (60, 1140483), (87, 786540), (90, 760322), (116, 589905), (145, 471924), (174, 393270), (180, 380161), (261, 262180), (290, 235962), (348, 196635), (435, 157308), (522, 131090), (580, 117981), (870, 78654), (1044, 65545), (1305, 52436), (1740, 39327), (2610, 26218), (5220, 13109)]