30873520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 75709440

約数和(自身を除く): 44835920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 211, 236, 248, 295, 310, 422, 472, 496, 590, 620, 844, 944, 1055, 1180, 1240, 1688, 1829, 2110, 2360, 2480, 3376, 3658, 4220, 4720, 6541, 7316, 8440, 9145, 12449, 13082, 14632, 16880, 18290, 24898, 26164, 29264, 32705, 36580, 49796, 52328, 62245, 65410, 73160, 99592, 104656, 124490, 130820, 146320, 199184, 248980, 261640, 385919, 497960, 523280, 771838, 995920, 1543676, 1929595, 3087352, 3859190, 6174704, 7718380, 15436760, 30873520]

約数ペア:

[(1, 30873520), (2, 15436760), (4, 7718380), (5, 6174704), (8, 3859190), (10, 3087352), (16, 1929595), (20, 1543676), (31, 995920), (40, 771838), (59, 523280), (62, 497960), (80, 385919), (118, 261640), (124, 248980), (155, 199184), (211, 146320), (236, 130820), (248, 124490), (295, 104656), (310, 99592), (422, 73160), (472, 65410), (496, 62245), (590, 52328), (620, 49796), (844, 36580), (944, 32705), (1055, 29264), (1180, 26164), (1240, 24898), (1688, 18290), (1829, 16880), (2110, 14632), (2360, 13082), (2480, 12449), (3376, 9145), (3658, 8440), (4220, 7316), (4720, 6541)]