73782020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 170444736

約数和(自身を除く): 96662716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 169, 260, 263, 332, 338, 415, 526, 676, 830, 845, 1052, 1079, 1315, 1660, 1690, 2158, 2630, 3380, 3419, 4316, 5260, 5395, 6838, 10790, 13676, 14027, 17095, 21580, 21829, 28054, 34190, 43658, 44447, 56108, 68380, 70135, 87316, 88894, 109145, 140270, 177788, 218290, 222235, 280540, 283777, 436580, 444470, 567554, 888940, 1135108, 1418885, 2837770, 3689101, 5675540, 7378202, 14756404, 18445505, 36891010, 73782020]

約数ペア:

[(1, 73782020), (2, 36891010), (4, 18445505), (5, 14756404), (10, 7378202), (13, 5675540), (20, 3689101), (26, 2837770), (52, 1418885), (65, 1135108), (83, 888940), (130, 567554), (166, 444470), (169, 436580), (260, 283777), (263, 280540), (332, 222235), (338, 218290), (415, 177788), (526, 140270), (676, 109145), (830, 88894), (845, 87316), (1052, 70135), (1079, 68380), (1315, 56108), (1660, 44447), (1690, 43658), (2158, 34190), (2630, 28054), (3380, 21829), (3419, 21580), (4316, 17095), (5260, 14027), (5395, 13676), (6838, 10790)]