71830720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:618

約数の個数: 112

約数和(自身を含む): 190487808

約数和(自身を除く): 118657088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 557, 620, 806, 832, 992, 1040, 1114, 1240, 1612, 1984, 2015, 2080, 2228, 2480, 2785, 3224, 4030, 4160, 4456, 4960, 5570, 6448, 7241, 8060, 8912, 9920, 11140, 12896, 14482, 16120, 17267, 17824, 22280, 25792, 28964, 32240, 34534, 35648, 36205, 44560, 57928, 64480, 69068, 72410, 86335, 89120, 115856, 128960, 138136, 144820, 172670, 178240, 224471, 231712, 276272, 289640, 345340, 448942, 463424, 552544, 579280, 690680, 897884, 1105088, 1122355, 1158560, 1381360, 1795768, 2244710, 2317120, 2762720, 3591536, 4489420, 5525440, 7183072, 8978840, 14366144, 17957680, 35915360, 71830720]

約数ペア:

[(1, 71830720), (2, 35915360), (4, 17957680), (5, 14366144), (8, 8978840), (10, 7183072), (13, 5525440), (16, 4489420), (20, 3591536), (26, 2762720), (31, 2317120), (32, 2244710), (40, 1795768), (52, 1381360), (62, 1158560), (64, 1122355), (65, 1105088), (80, 897884), (104, 690680), (124, 579280), (130, 552544), (155, 463424), (160, 448942), (208, 345340), (248, 289640), (260, 276272), (310, 231712), (320, 224471), (403, 178240), (416, 172670), (496, 144820), (520, 138136), (557, 128960), (620, 115856), (806, 89120), (832, 86335), (992, 72410), (1040, 69068), (1114, 64480), (1240, 57928), (1612, 44560), (1984, 36205), (2015, 35648), (2080, 34534), (2228, 32240), (2480, 28964), (2785, 25792), (3224, 22280), (4030, 17824), (4160, 17267), (4456, 16120), (4960, 14482), (5570, 12896), (6448, 11140), (7241, 9920), (8060, 8912)]