12147040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 30028320

約数和(自身を除く): 17881280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 620, 632, 790, 961, 992, 1240, 1264, 1580, 1922, 2449, 2480, 2528, 3160, 3844, 4805, 4898, 4960, 6320, 7688, 9610, 9796, 12245, 12640, 15376, 19220, 19592, 24490, 30752, 38440, 39184, 48980, 75919, 76880, 78368, 97960, 151838, 153760, 195920, 303676, 379595, 391840, 607352, 759190, 1214704, 1518380, 2429408, 3036760, 6073520, 12147040]

約数ペア:

[(1, 12147040), (2, 6073520), (4, 3036760), (5, 2429408), (8, 1518380), (10, 1214704), (16, 759190), (20, 607352), (31, 391840), (32, 379595), (40, 303676), (62, 195920), (79, 153760), (80, 151838), (124, 97960), (155, 78368), (158, 76880), (160, 75919), (248, 48980), (310, 39184), (316, 38440), (395, 30752), (496, 24490), (620, 19592), (632, 19220), (790, 15376), (961, 12640), (992, 12245), (1240, 9796), (1264, 9610), (1580, 7688), (1922, 6320), (2449, 4960), (2480, 4898), (2528, 4805), (3160, 3844)]