178129620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11923}}^1$

素因数の和:12021

約数の個数: 72

約数和(自身を含む): 546882336

約数和(自身を除く): 368752716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 11923, 14940, 23846, 35769, 47692, 59615, 71538, 107307, 119230, 143076, 178845, 214614, 238460, 357690, 429228, 536535, 715380, 989609, 1073070, 1979218, 2146140, 2968827, 3958436, 4948045, 5937654, 8906481, 9896090, 11875308, 14844135, 17812962, 19792180, 29688270, 35625924, 44532405, 59376540, 89064810, 178129620]

約数ペア:

[(1, 178129620), (2, 89064810), (3, 59376540), (4, 44532405), (5, 35625924), (6, 29688270), (9, 19792180), (10, 17812962), (12, 14844135), (15, 11875308), (18, 9896090), (20, 8906481), (30, 5937654), (36, 4948045), (45, 3958436), (60, 2968827), (83, 2146140), (90, 1979218), (166, 1073070), (180, 989609), (249, 715380), (332, 536535), (415, 429228), (498, 357690), (747, 238460), (830, 214614), (996, 178845), (1245, 143076), (1494, 119230), (1660, 107307), (2490, 71538), (2988, 59615), (3735, 47692), (4980, 35769), (7470, 23846), (11923, 14940)]