72065520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1111

約数の個数: 120

約数和(自身を含む): 244662912

約数和(自身を除く): 172597392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 404, 505, 606, 720, 808, 909, 991, 1010, 1212, 1515, 1616, 1818, 1982, 2020, 2424, 2973, 3030, 3636, 3964, 4040, 4545, 4848, 4955, 5946, 6060, 7272, 7928, 8080, 8919, 9090, 9910, 11892, 12120, 14544, 14865, 15856, 17838, 18180, 19820, 23784, 24240, 29730, 35676, 36360, 39640, 44595, 47568, 59460, 71352, 72720, 79280, 89190, 100091, 118920, 142704, 178380, 200182, 237840, 300273, 356760, 400364, 500455, 600546, 713520, 800728, 900819, 1000910, 1201092, 1501365, 1601456, 1801638, 2001820, 2402184, 3002730, 3603276, 4003640, 4504095, 4804368, 6005460, 7206552, 8007280, 9008190, 12010920, 14413104, 18016380, 24021840, 36032760, 72065520]

約数ペア:

[(1, 72065520), (2, 36032760), (3, 24021840), (4, 18016380), (5, 14413104), (6, 12010920), (8, 9008190), (9, 8007280), (10, 7206552), (12, 6005460), (15, 4804368), (16, 4504095), (18, 4003640), (20, 3603276), (24, 3002730), (30, 2402184), (36, 2001820), (40, 1801638), (45, 1601456), (48, 1501365), (60, 1201092), (72, 1000910), (80, 900819), (90, 800728), (101, 713520), (120, 600546), (144, 500455), (180, 400364), (202, 356760), (240, 300273), (303, 237840), (360, 200182), (404, 178380), (505, 142704), (606, 118920), (720, 100091), (808, 89190), (909, 79280), (991, 72720), (1010, 71352), (1212, 59460), (1515, 47568), (1616, 44595), (1818, 39640), (1982, 36360), (2020, 35676), (2424, 29730), (2973, 24240), (3030, 23784), (3636, 19820), (3964, 18180), (4040, 17838), (4545, 15856), (4848, 14865), (4955, 14544), (5946, 12120), (6060, 11892), (7272, 9910), (7928, 9090), (8080, 8919)]