66940120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 175996800

約数和(自身を除く): 109056680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 29, 40, 46, 52, 58, 65, 92, 104, 115, 116, 130, 145, 184, 193, 230, 232, 260, 290, 299, 377, 386, 460, 520, 580, 598, 667, 754, 772, 920, 965, 1160, 1196, 1334, 1495, 1508, 1544, 1885, 1930, 2392, 2509, 2668, 2990, 3016, 3335, 3770, 3860, 4439, 5018, 5336, 5597, 5980, 6670, 7540, 7720, 8671, 8878, 10036, 11194, 11960, 12545, 13340, 15080, 17342, 17756, 20072, 22195, 22388, 25090, 26680, 27985, 34684, 35512, 43355, 44390, 44776, 50180, 55970, 57707, 69368, 72761, 86710, 88780, 100360, 111940, 115414, 128731, 145522, 173420, 177560, 223880, 230828, 257462, 288535, 291044, 346840, 363805, 461656, 514924, 577070, 582088, 643655, 727610, 1029848, 1154140, 1287310, 1455220, 1673503, 2308280, 2574620, 2910440, 3347006, 5149240, 6694012, 8367515, 13388024, 16735030, 33470060, 66940120]

約数ペア:

[(1, 66940120), (2, 33470060), (4, 16735030), (5, 13388024), (8, 8367515), (10, 6694012), (13, 5149240), (20, 3347006), (23, 2910440), (26, 2574620), (29, 2308280), (40, 1673503), (46, 1455220), (52, 1287310), (58, 1154140), (65, 1029848), (92, 727610), (104, 643655), (115, 582088), (116, 577070), (130, 514924), (145, 461656), (184, 363805), (193, 346840), (230, 291044), (232, 288535), (260, 257462), (290, 230828), (299, 223880), (377, 177560), (386, 173420), (460, 145522), (520, 128731), (580, 115414), (598, 111940), (667, 100360), (754, 88780), (772, 86710), (920, 72761), (965, 69368), (1160, 57707), (1196, 55970), (1334, 50180), (1495, 44776), (1508, 44390), (1544, 43355), (1885, 35512), (1930, 34684), (2392, 27985), (2509, 26680), (2668, 25090), (2990, 22388), (3016, 22195), (3335, 20072), (3770, 17756), (3860, 17342), (4439, 15080), (5018, 13340), (5336, 12545), (5597, 11960), (5980, 11194), (6670, 10036), (7540, 8878), (7720, 8671)]