68950620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20161}}^1$

素因数の和:20195

約数の個数: 72

約数和(自身を含む): 220169040

約数和(自身を除く): 151218420

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, 20161, 40322, 60483, 80644, 100805, 120966, 181449, 201610, 241932, 302415, 362898, 383059, 403220, 604830, 725796, 766118, 907245, 1149177, 1209660, 1532236, 1814490, 1915295, 2298354, 3447531, 3628980, 3830590, 4596708, 5745885, 6895062, 7661180, 11491770, 13790124, 17237655, 22983540, 34475310, 68950620]

約数ペア:

[(1, 68950620), (2, 34475310), (3, 22983540), (4, 17237655), (5, 13790124), (6, 11491770), (9, 7661180), (10, 6895062), (12, 5745885), (15, 4596708), (18, 3830590), (19, 3628980), (20, 3447531), (30, 2298354), (36, 1915295), (38, 1814490), (45, 1532236), (57, 1209660), (60, 1149177), (76, 907245), (90, 766118), (95, 725796), (114, 604830), (171, 403220), (180, 383059), (190, 362898), (228, 302415), (285, 241932), (342, 201610), (380, 181449), (570, 120966), (684, 100805), (855, 80644), (1140, 60483), (1710, 40322), (3420, 20161)]