65007520

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 160876800

約数和(自身を除く): 95869280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 79, 80, 139, 148, 158, 160, 185, 278, 296, 316, 370, 395, 556, 592, 632, 695, 740, 790, 1112, 1184, 1264, 1390, 1480, 1580, 2224, 2528, 2780, 2923, 2960, 3160, 4448, 5143, 5560, 5846, 5920, 6320, 10286, 10981, 11120, 11692, 12640, 14615, 20572, 21962, 22240, 23384, 25715, 29230, 41144, 43924, 46768, 51430, 54905, 58460, 82288, 87848, 93536, 102860, 109810, 116920, 164576, 175696, 205720, 219620, 233840, 351392, 406297, 411440, 439240, 467680, 812594, 822880, 878480, 1625188, 1756960, 2031485, 3250376, 4062970, 6500752, 8125940, 13001504, 16251880, 32503760, 65007520]

約数ペア:

[(1, 65007520), (2, 32503760), (4, 16251880), (5, 13001504), (8, 8125940), (10, 6500752), (16, 4062970), (20, 3250376), (32, 2031485), (37, 1756960), (40, 1625188), (74, 878480), (79, 822880), (80, 812594), (139, 467680), (148, 439240), (158, 411440), (160, 406297), (185, 351392), (278, 233840), (296, 219620), (316, 205720), (370, 175696), (395, 164576), (556, 116920), (592, 109810), (632, 102860), (695, 93536), (740, 87848), (790, 82288), (1112, 58460), (1184, 54905), (1264, 51430), (1390, 46768), (1480, 43924), (1580, 41144), (2224, 29230), (2528, 25715), (2780, 23384), (2923, 22240), (2960, 21962), (3160, 20572), (4448, 14615), (5143, 12640), (5560, 11692), (5846, 11120), (5920, 10981), (6320, 10286)]