80142440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1375

約数の個数: 96

約数和(自身を含む): 216691200

約数和(自身を除く): 136548760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 868, 980, 1085, 1240, 1319, 1519, 1736, 1960, 2170, 2638, 3038, 4340, 5276, 6076, 6595, 7595, 8680, 9233, 10552, 12152, 13190, 15190, 18466, 26380, 30380, 36932, 40889, 46165, 52760, 60760, 64631, 73864, 81778, 92330, 129262, 163556, 184660, 204445, 258524, 286223, 323155, 327112, 369320, 408890, 517048, 572446, 646310, 817780, 1144892, 1292620, 1431115, 1635560, 2003561, 2289784, 2585240, 2862230, 4007122, 5724460, 8014244, 10017805, 11448920, 16028488, 20035610, 40071220, 80142440]

約数ペア:

[(1, 80142440), (2, 40071220), (4, 20035610), (5, 16028488), (7, 11448920), (8, 10017805), (10, 8014244), (14, 5724460), (20, 4007122), (28, 2862230), (31, 2585240), (35, 2289784), (40, 2003561), (49, 1635560), (56, 1431115), (62, 1292620), (70, 1144892), (98, 817780), (124, 646310), (140, 572446), (155, 517048), (196, 408890), (217, 369320), (245, 327112), (248, 323155), (280, 286223), (310, 258524), (392, 204445), (434, 184660), (490, 163556), (620, 129262), (868, 92330), (980, 81778), (1085, 73864), (1240, 64631), (1319, 60760), (1519, 52760), (1736, 46165), (1960, 40889), (2170, 36932), (2638, 30380), (3038, 26380), (4340, 18466), (5276, 15190), (6076, 13190), (6595, 12152), (7595, 10552), (8680, 9233)]