79517680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:962

約数の個数: 80

約数和(自身を含む): 203781600

約数和(自身を除く): 124263920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 829, 872, 880, 1090, 1199, 1658, 1744, 2180, 2398, 3316, 4145, 4360, 4796, 5995, 6632, 8290, 8720, 9119, 9592, 11990, 13264, 16580, 18238, 19184, 23980, 33160, 36476, 45595, 47960, 66320, 72952, 90361, 91190, 95920, 145904, 180722, 182380, 361444, 364760, 451805, 722888, 729520, 903610, 993971, 1445776, 1807220, 1987942, 3614440, 3975884, 4969855, 7228880, 7951768, 9939710, 15903536, 19879420, 39758840, 79517680]

約数ペア:

[(1, 79517680), (2, 39758840), (4, 19879420), (5, 15903536), (8, 9939710), (10, 7951768), (11, 7228880), (16, 4969855), (20, 3975884), (22, 3614440), (40, 1987942), (44, 1807220), (55, 1445776), (80, 993971), (88, 903610), (109, 729520), (110, 722888), (176, 451805), (218, 364760), (220, 361444), (436, 182380), (440, 180722), (545, 145904), (829, 95920), (872, 91190), (880, 90361), (1090, 72952), (1199, 66320), (1658, 47960), (1744, 45595), (2180, 36476), (2398, 33160), (3316, 23980), (4145, 19184), (4360, 18238), (4796, 16580), (5995, 13264), (6632, 11990), (8290, 9592), (8720, 9119)]