788339920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{1319}}^1$

素因数の和:1604

約数の個数: 80

約数和(自身を含む): 1901306880

約数和(自身を除く): 1112966960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 241, 248, 310, 482, 496, 620, 964, 1205, 1240, 1319, 1928, 2410, 2480, 2638, 3856, 4820, 5276, 6595, 7471, 9640, 10552, 13190, 14942, 19280, 21104, 26380, 29884, 37355, 40889, 52760, 59768, 74710, 81778, 105520, 119536, 149420, 163556, 204445, 298840, 317879, 327112, 408890, 597680, 635758, 654224, 817780, 1271516, 1589395, 1635560, 2543032, 3178790, 3271120, 5086064, 6357580, 9854249, 12715160, 19708498, 25430320, 39416996, 49271245, 78833992, 98542490, 157667984, 197084980, 394169960, 788339920]

約数ペア:

[(1, 788339920), (2, 394169960), (4, 197084980), (5, 157667984), (8, 98542490), (10, 78833992), (16, 49271245), (20, 39416996), (31, 25430320), (40, 19708498), (62, 12715160), (80, 9854249), (124, 6357580), (155, 5086064), (241, 3271120), (248, 3178790), (310, 2543032), (482, 1635560), (496, 1589395), (620, 1271516), (964, 817780), (1205, 654224), (1240, 635758), (1319, 597680), (1928, 408890), (2410, 327112), (2480, 317879), (2638, 298840), (3856, 204445), (4820, 163556), (5276, 149420), (6595, 119536), (7471, 105520), (9640, 81778), (10552, 74710), (13190, 59768), (14942, 52760), (19280, 40889), (21104, 37355), (26380, 29884)]