143672720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 352156032

約数和(自身を除く): 208483312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 113, 115, 184, 226, 230, 368, 452, 460, 565, 691, 904, 920, 1130, 1382, 1808, 1840, 2260, 2599, 2764, 3455, 4520, 5198, 5528, 6910, 9040, 10396, 11056, 12995, 13820, 15893, 20792, 25990, 27640, 31786, 41584, 51980, 55280, 63572, 78083, 79465, 103960, 127144, 156166, 158930, 207920, 254288, 312332, 317860, 390415, 624664, 635720, 780830, 1249328, 1271440, 1561660, 1795909, 3123320, 3591818, 6246640, 7183636, 8979545, 14367272, 17959090, 28734544, 35918180, 71836360, 143672720]

約数ペア:

[(1, 143672720), (2, 71836360), (4, 35918180), (5, 28734544), (8, 17959090), (10, 14367272), (16, 8979545), (20, 7183636), (23, 6246640), (40, 3591818), (46, 3123320), (80, 1795909), (92, 1561660), (113, 1271440), (115, 1249328), (184, 780830), (226, 635720), (230, 624664), (368, 390415), (452, 317860), (460, 312332), (565, 254288), (691, 207920), (904, 158930), (920, 156166), (1130, 127144), (1382, 103960), (1808, 79465), (1840, 78083), (2260, 63572), (2599, 55280), (2764, 51980), (3455, 41584), (4520, 31786), (5198, 27640), (5528, 25990), (6910, 20792), (9040, 15893), (10396, 13820), (11056, 12995)]