66207440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 171551520

約数和(自身を除く): 105344080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 83, 104, 118, 130, 166, 169, 208, 236, 260, 295, 332, 338, 415, 472, 520, 590, 664, 676, 767, 830, 845, 944, 1040, 1079, 1180, 1328, 1352, 1534, 1660, 1690, 2158, 2360, 2704, 3068, 3320, 3380, 3835, 4316, 4720, 4897, 5395, 6136, 6640, 6760, 7670, 8632, 9794, 9971, 10790, 12272, 13520, 14027, 15340, 17264, 19588, 19942, 21580, 24485, 28054, 30680, 39176, 39884, 43160, 48970, 49855, 56108, 61360, 63661, 70135, 78352, 79768, 86320, 97940, 99710, 112216, 127322, 140270, 159536, 195880, 199420, 224432, 254644, 280540, 318305, 391760, 398840, 509288, 561080, 636610, 797680, 827593, 1018576, 1122160, 1273220, 1655186, 2546440, 3310372, 4137965, 5092880, 6620744, 8275930, 13241488, 16551860, 33103720, 66207440]

約数ペア:

[(1, 66207440), (2, 33103720), (4, 16551860), (5, 13241488), (8, 8275930), (10, 6620744), (13, 5092880), (16, 4137965), (20, 3310372), (26, 2546440), (40, 1655186), (52, 1273220), (59, 1122160), (65, 1018576), (80, 827593), (83, 797680), (104, 636610), (118, 561080), (130, 509288), (166, 398840), (169, 391760), (208, 318305), (236, 280540), (260, 254644), (295, 224432), (332, 199420), (338, 195880), (415, 159536), (472, 140270), (520, 127322), (590, 112216), (664, 99710), (676, 97940), (767, 86320), (830, 79768), (845, 78352), (944, 70135), (1040, 63661), (1079, 61360), (1180, 56108), (1328, 49855), (1352, 48970), (1534, 43160), (1660, 39884), (1690, 39176), (2158, 30680), (2360, 28054), (2704, 24485), (3068, 21580), (3320, 19942), (3380, 19588), (3835, 17264), (4316, 15340), (4720, 14027), (4897, 13520), (5395, 12272), (6136, 10790), (6640, 9971), (6760, 9794), (7670, 8632)]