12381680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 30533760

約数和(自身を除く): 18152080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 47, 74, 80, 89, 94, 148, 178, 185, 188, 235, 296, 356, 370, 376, 445, 470, 592, 712, 740, 752, 890, 940, 1424, 1480, 1739, 1780, 1880, 2960, 3293, 3478, 3560, 3760, 4183, 6586, 6956, 7120, 8366, 8695, 13172, 13912, 16465, 16732, 17390, 20915, 26344, 27824, 32930, 33464, 34780, 41830, 52688, 65860, 66928, 69560, 83660, 131720, 139120, 154771, 167320, 263440, 309542, 334640, 619084, 773855, 1238168, 1547710, 2476336, 3095420, 6190840, 12381680]

約数ペア:

[(1, 12381680), (2, 6190840), (4, 3095420), (5, 2476336), (8, 1547710), (10, 1238168), (16, 773855), (20, 619084), (37, 334640), (40, 309542), (47, 263440), (74, 167320), (80, 154771), (89, 139120), (94, 131720), (148, 83660), (178, 69560), (185, 66928), (188, 65860), (235, 52688), (296, 41830), (356, 34780), (370, 33464), (376, 32930), (445, 27824), (470, 26344), (592, 20915), (712, 17390), (740, 16732), (752, 16465), (890, 13912), (940, 13172), (1424, 8695), (1480, 8366), (1739, 7120), (1780, 6956), (1880, 6586), (2960, 4183), (3293, 3760), (3478, 3560)]