81714060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23893}}^1$

素因数の和:23927

約数の個数: 72

約数和(自身を含む): 260922480

約数和(自身を除く): 179208420

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, 23893, 47786, 71679, 95572, 119465, 143358, 215037, 238930, 286716, 358395, 430074, 453967, 477860, 716790, 860148, 907934, 1075185, 1361901, 1433580, 1815868, 2150370, 2269835, 2723802, 4085703, 4300740, 4539670, 5447604, 6809505, 8171406, 9079340, 13619010, 16342812, 20428515, 27238020, 40857030, 81714060]

約数ペア:

[(1, 81714060), (2, 40857030), (3, 27238020), (4, 20428515), (5, 16342812), (6, 13619010), (9, 9079340), (10, 8171406), (12, 6809505), (15, 5447604), (18, 4539670), (19, 4300740), (20, 4085703), (30, 2723802), (36, 2269835), (38, 2150370), (45, 1815868), (57, 1433580), (60, 1361901), (76, 1075185), (90, 907934), (95, 860148), (114, 716790), (171, 477860), (180, 453967), (190, 430074), (228, 358395), (285, 286716), (342, 238930), (380, 215037), (570, 143358), (684, 119465), (855, 95572), (1140, 71679), (1710, 47786), (3420, 23893)]