66502280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 107680120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 53, 65, 76, 95, 104, 106, 127, 130, 152, 190, 212, 247, 254, 260, 265, 380, 424, 494, 508, 520, 530, 635, 689, 760, 988, 1007, 1016, 1060, 1235, 1270, 1378, 1651, 1976, 2014, 2120, 2413, 2470, 2540, 2756, 3302, 3445, 4028, 4826, 4940, 5035, 5080, 5512, 6604, 6731, 6890, 8056, 8255, 9652, 9880, 10070, 12065, 13091, 13208, 13462, 13780, 16510, 19304, 20140, 24130, 26182, 26924, 27560, 31369, 33020, 33655, 40280, 48260, 52364, 53848, 62738, 65455, 66040, 67310, 87503, 96520, 104728, 125476, 127889, 130910, 134620, 156845, 175006, 250952, 255778, 261820, 269240, 313690, 350012, 437515, 511556, 523640, 627380, 639445, 700024, 875030, 1023112, 1254760, 1278890, 1662557, 1750060, 2557780, 3325114, 3500120, 5115560, 6650228, 8312785, 13300456, 16625570, 33251140, 66502280]

約数ペア:

[(1, 66502280), (2, 33251140), (4, 16625570), (5, 13300456), (8, 8312785), (10, 6650228), (13, 5115560), (19, 3500120), (20, 3325114), (26, 2557780), (38, 1750060), (40, 1662557), (52, 1278890), (53, 1254760), (65, 1023112), (76, 875030), (95, 700024), (104, 639445), (106, 627380), (127, 523640), (130, 511556), (152, 437515), (190, 350012), (212, 313690), (247, 269240), (254, 261820), (260, 255778), (265, 250952), (380, 175006), (424, 156845), (494, 134620), (508, 130910), (520, 127889), (530, 125476), (635, 104728), (689, 96520), (760, 87503), (988, 67310), (1007, 66040), (1016, 65455), (1060, 62738), (1235, 53848), (1270, 52364), (1378, 48260), (1651, 40280), (1976, 33655), (2014, 33020), (2120, 31369), (2413, 27560), (2470, 26924), (2540, 26182), (2756, 24130), (3302, 20140), (3445, 19304), (4028, 16510), (4826, 13780), (4940, 13462), (5035, 13208), (5080, 13091), (5512, 12065), (6604, 10070), (6731, 9880), (6890, 9652), (8056, 8255)]