91021580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:567

約数の個数: 96

約数和(自身を含む): 222179328

約数和(自身を除く): 131157748

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 115, 124, 130, 155, 230, 260, 299, 310, 403, 460, 491, 598, 620, 713, 806, 982, 1196, 1426, 1495, 1612, 1964, 2015, 2455, 2852, 2990, 3565, 4030, 4910, 5980, 6383, 7130, 8060, 9269, 9820, 11293, 12766, 14260, 15221, 18538, 22586, 25532, 30442, 31915, 37076, 45172, 46345, 56465, 60884, 63830, 76105, 92690, 112930, 127660, 146809, 152210, 185380, 197873, 225860, 293618, 304420, 350083, 395746, 587236, 700166, 734045, 791492, 989365, 1400332, 1468090, 1750415, 1978730, 2936180, 3500830, 3957460, 4551079, 7001660, 9102158, 18204316, 22755395, 45510790, 91021580]

約数ペア:

[(1, 91021580), (2, 45510790), (4, 22755395), (5, 18204316), (10, 9102158), (13, 7001660), (20, 4551079), (23, 3957460), (26, 3500830), (31, 2936180), (46, 1978730), (52, 1750415), (62, 1468090), (65, 1400332), (92, 989365), (115, 791492), (124, 734045), (130, 700166), (155, 587236), (230, 395746), (260, 350083), (299, 304420), (310, 293618), (403, 225860), (460, 197873), (491, 185380), (598, 152210), (620, 146809), (713, 127660), (806, 112930), (982, 92690), (1196, 76105), (1426, 63830), (1495, 60884), (1612, 56465), (1964, 46345), (2015, 45172), (2455, 37076), (2852, 31915), (2990, 30442), (3565, 25532), (4030, 22586), (4910, 18538), (5980, 15221), (6383, 14260), (7130, 12766), (8060, 11293), (9269, 9820)]