71012320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 176117760

約数和(自身を除く): 105105440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 103, 124, 139, 155, 160, 206, 248, 278, 310, 412, 496, 515, 556, 620, 695, 824, 992, 1030, 1112, 1240, 1390, 1648, 2060, 2224, 2480, 2780, 3193, 3296, 4120, 4309, 4448, 4960, 5560, 6386, 8240, 8618, 11120, 12772, 14317, 15965, 16480, 17236, 21545, 22240, 25544, 28634, 31930, 34472, 43090, 51088, 57268, 63860, 68944, 71585, 86180, 102176, 114536, 127720, 137888, 143170, 172360, 229072, 255440, 286340, 344720, 443827, 458144, 510880, 572680, 689440, 887654, 1145360, 1775308, 2219135, 2290720, 3550616, 4438270, 7101232, 8876540, 14202464, 17753080, 35506160, 71012320]

約数ペア:

[(1, 71012320), (2, 35506160), (4, 17753080), (5, 14202464), (8, 8876540), (10, 7101232), (16, 4438270), (20, 3550616), (31, 2290720), (32, 2219135), (40, 1775308), (62, 1145360), (80, 887654), (103, 689440), (124, 572680), (139, 510880), (155, 458144), (160, 443827), (206, 344720), (248, 286340), (278, 255440), (310, 229072), (412, 172360), (496, 143170), (515, 137888), (556, 127720), (620, 114536), (695, 102176), (824, 86180), (992, 71585), (1030, 68944), (1112, 63860), (1240, 57268), (1390, 51088), (1648, 43090), (2060, 34472), (2224, 31930), (2480, 28634), (2780, 25544), (3193, 22240), (3296, 21545), (4120, 17236), (4309, 16480), (4448, 15965), (4960, 14317), (5560, 12772), (6386, 11120), (8240, 8618)]