42879980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 112613760

約数和(自身を除く): 69733780

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 47, 52, 55, 58, 65, 94, 110, 116, 121, 130, 143, 145, 188, 220, 235, 242, 260, 286, 290, 319, 377, 470, 484, 517, 572, 580, 605, 611, 638, 715, 754, 940, 1034, 1210, 1222, 1276, 1363, 1430, 1508, 1573, 1595, 1885, 2068, 2420, 2444, 2585, 2726, 2860, 3055, 3146, 3190, 3509, 3770, 4147, 5170, 5452, 5687, 6110, 6292, 6380, 6721, 6815, 7018, 7540, 7865, 8294, 10340, 11374, 12220, 13442, 13630, 14036, 14993, 15730, 16588, 17545, 17719, 20735, 22748, 26884, 27260, 28435, 29986, 31460, 33605, 35090, 35438, 41470, 45617, 56870, 59972, 67210, 70180, 70876, 73931, 74965, 82940, 88595, 91234, 113740, 134420, 147862, 149930, 164923, 177190, 182468, 194909, 228085, 295724, 299860, 329846, 354380, 369655, 389818, 456170, 659692, 739310, 779636, 824615, 912340, 974545, 1478620, 1649230, 1949090, 2143999, 3298460, 3898180, 4287998, 8575996, 10719995, 21439990, 42879980]

約数ペア:

[(1, 42879980), (2, 21439990), (4, 10719995), (5, 8575996), (10, 4287998), (11, 3898180), (13, 3298460), (20, 2143999), (22, 1949090), (26, 1649230), (29, 1478620), (44, 974545), (47, 912340), (52, 824615), (55, 779636), (58, 739310), (65, 659692), (94, 456170), (110, 389818), (116, 369655), (121, 354380), (130, 329846), (143, 299860), (145, 295724), (188, 228085), (220, 194909), (235, 182468), (242, 177190), (260, 164923), (286, 149930), (290, 147862), (319, 134420), (377, 113740), (470, 91234), (484, 88595), (517, 82940), (572, 74965), (580, 73931), (605, 70876), (611, 70180), (638, 67210), (715, 59972), (754, 56870), (940, 45617), (1034, 41470), (1210, 35438), (1222, 35090), (1276, 33605), (1363, 31460), (1430, 29986), (1508, 28435), (1573, 27260), (1595, 26884), (1885, 22748), (2068, 20735), (2420, 17719), (2444, 17545), (2585, 16588), (2726, 15730), (2860, 14993), (3055, 14036), (3146, 13630), (3190, 13442), (3509, 12220), (3770, 11374), (4147, 10340), (5170, 8294), (5452, 7865), (5687, 7540), (6110, 7018), (6292, 6815), (6380, 6721)]