74874060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21893}}^1$

素因数の和:21927

約数の個数: 72

約数和(自身を含む): 239082480

約数和(自身を除く): 164208420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21893, 43786, 65679, 87572, 109465, 131358, 197037, 218930, 262716, 328395, 394074, 415967, 437860, 656790, 788148, 831934, 985185, 1247901, 1313580, 1663868, 1970370, 2079835, 2495802, 3743703, 3940740, 4159670, 4991604, 6239505, 7487406, 8319340, 12479010, 14974812, 18718515, 24958020, 37437030, 74874060]

約数ペア:

[(1, 74874060), (2, 37437030), (3, 24958020), (4, 18718515), (5, 14974812), (6, 12479010), (9, 8319340), (10, 7487406), (12, 6239505), (15, 4991604), (18, 4159670), (19, 3940740), (20, 3743703), (30, 2495802), (36, 2079835), (38, 1970370), (45, 1663868), (57, 1313580), (60, 1247901), (76, 985185), (90, 831934), (95, 788148), (114, 656790), (171, 437860), (180, 415967), (190, 394074), (228, 328395), (285, 262716), (342, 218930), (380, 197037), (570, 131358), (684, 109465), (855, 87572), (1140, 65679), (1710, 43786), (3420, 21893)]