420834180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1229}}^1$

素因数の和:1693

約数の個数: 96

約数和(自身を含む): 1272902400

約数和(自身を除く): 852068220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 439, 780, 878, 1229, 1317, 1756, 2195, 2458, 2634, 3687, 4390, 4916, 5268, 5707, 6145, 6585, 7374, 8780, 11414, 12290, 13170, 14748, 15977, 17121, 18435, 22828, 24580, 26340, 28535, 31954, 34242, 36870, 47931, 57070, 63908, 68484, 73740, 79885, 85605, 95862, 114140, 159770, 171210, 191724, 239655, 319540, 342420, 479310, 539531, 958620, 1079062, 1618593, 2158124, 2697655, 3237186, 5395310, 6474372, 7013903, 8092965, 10790620, 14027806, 16185930, 21041709, 28055612, 32371860, 35069515, 42083418, 70139030, 84166836, 105208545, 140278060, 210417090, 420834180]

約数ペア:

[(1, 420834180), (2, 210417090), (3, 140278060), (4, 105208545), (5, 84166836), (6, 70139030), (10, 42083418), (12, 35069515), (13, 32371860), (15, 28055612), (20, 21041709), (26, 16185930), (30, 14027806), (39, 10790620), (52, 8092965), (60, 7013903), (65, 6474372), (78, 5395310), (130, 3237186), (156, 2697655), (195, 2158124), (260, 1618593), (390, 1079062), (439, 958620), (780, 539531), (878, 479310), (1229, 342420), (1317, 319540), (1756, 239655), (2195, 191724), (2458, 171210), (2634, 159770), (3687, 114140), (4390, 95862), (4916, 85605), (5268, 79885), (5707, 73740), (6145, 68484), (6585, 63908), (7374, 57070), (8780, 47931), (11414, 36870), (12290, 34242), (13170, 31954), (14748, 28535), (15977, 26340), (17121, 24580), (18435, 22828)]