42147720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 142597260

約数和(自身を除く): 100449540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 53, 60, 72, 90, 94, 106, 120, 141, 159, 180, 188, 212, 235, 265, 282, 318, 360, 376, 423, 424, 470, 477, 530, 564, 636, 705, 795, 846, 940, 954, 1060, 1128, 1272, 1410, 1590, 1692, 1880, 1908, 2115, 2120, 2209, 2385, 2491, 2820, 3180, 3384, 3816, 4230, 4418, 4770, 4982, 5640, 6360, 6627, 7473, 8460, 8836, 9540, 9964, 11045, 12455, 13254, 14946, 16920, 17672, 19080, 19881, 19928, 22090, 22419, 24910, 26508, 29892, 33135, 37365, 39762, 44180, 44838, 49820, 53016, 59784, 66270, 74730, 79524, 88360, 89676, 99405, 99640, 112095, 117077, 132540, 149460, 159048, 179352, 198810, 224190, 234154, 265080, 298920, 351231, 397620, 448380, 468308, 585385, 702462, 795240, 896760, 936616, 1053693, 1170770, 1404924, 1756155, 2107386, 2341540, 2809848, 3512310, 4214772, 4683080, 5268465, 7024620, 8429544, 10536930, 14049240, 21073860, 42147720]

約数ペア:

[(1, 42147720), (2, 21073860), (3, 14049240), (4, 10536930), (5, 8429544), (6, 7024620), (8, 5268465), (9, 4683080), (10, 4214772), (12, 3512310), (15, 2809848), (18, 2341540), (20, 2107386), (24, 1756155), (30, 1404924), (36, 1170770), (40, 1053693), (45, 936616), (47, 896760), (53, 795240), (60, 702462), (72, 585385), (90, 468308), (94, 448380), (106, 397620), (120, 351231), (141, 298920), (159, 265080), (180, 234154), (188, 224190), (212, 198810), (235, 179352), (265, 159048), (282, 149460), (318, 132540), (360, 117077), (376, 112095), (423, 99640), (424, 99405), (470, 89676), (477, 88360), (530, 79524), (564, 74730), (636, 66270), (705, 59784), (795, 53016), (846, 49820), (940, 44838), (954, 44180), (1060, 39762), (1128, 37365), (1272, 33135), (1410, 29892), (1590, 26508), (1692, 24910), (1880, 22419), (1908, 22090), (2115, 19928), (2120, 19881), (2209, 19080), (2385, 17672), (2491, 16920), (2820, 14946), (3180, 13254), (3384, 12455), (3816, 11045), (4230, 9964), (4418, 9540), (4770, 8836), (4982, 8460), (5640, 7473), (6360, 6627)]