42857880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 140555520

約数和(自身を除く): 97697640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 249, 260, 312, 331, 332, 390, 415, 498, 520, 662, 664, 780, 830, 993, 996, 1079, 1245, 1324, 1560, 1655, 1660, 1986, 1992, 2158, 2490, 2648, 3237, 3310, 3320, 3972, 4303, 4316, 4965, 4980, 5395, 6474, 6620, 7944, 8606, 8632, 9930, 9960, 10790, 12909, 12948, 13240, 16185, 17212, 19860, 21515, 21580, 25818, 25896, 27473, 32370, 34424, 39720, 43030, 43160, 51636, 54946, 64545, 64740, 82419, 86060, 103272, 109892, 129090, 129480, 137365, 164838, 172120, 219784, 258180, 274730, 329676, 357149, 412095, 516360, 549460, 659352, 714298, 824190, 1071447, 1098920, 1428596, 1648380, 1785745, 2142894, 2857192, 3296760, 3571490, 4285788, 5357235, 7142980, 8571576, 10714470, 14285960, 21428940, 42857880]

約数ペア:

[(1, 42857880), (2, 21428940), (3, 14285960), (4, 10714470), (5, 8571576), (6, 7142980), (8, 5357235), (10, 4285788), (12, 3571490), (13, 3296760), (15, 2857192), (20, 2142894), (24, 1785745), (26, 1648380), (30, 1428596), (39, 1098920), (40, 1071447), (52, 824190), (60, 714298), (65, 659352), (78, 549460), (83, 516360), (104, 412095), (120, 357149), (130, 329676), (156, 274730), (166, 258180), (195, 219784), (249, 172120), (260, 164838), (312, 137365), (331, 129480), (332, 129090), (390, 109892), (415, 103272), (498, 86060), (520, 82419), (662, 64740), (664, 64545), (780, 54946), (830, 51636), (993, 43160), (996, 43030), (1079, 39720), (1245, 34424), (1324, 32370), (1560, 27473), (1655, 25896), (1660, 25818), (1986, 21580), (1992, 21515), (2158, 19860), (2490, 17212), (2648, 16185), (3237, 13240), (3310, 12948), (3320, 12909), (3972, 10790), (4303, 9960), (4316, 9930), (4965, 8632), (4980, 8606), (5395, 7944), (6474, 6620)]