77858220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 249725952

約数和(自身を除く): 171867732

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 115, 132, 138, 165, 220, 223, 230, 253, 276, 330, 345, 446, 460, 506, 529, 660, 669, 690, 759, 892, 1012, 1058, 1115, 1265, 1338, 1380, 1518, 1587, 2116, 2230, 2453, 2530, 2645, 2676, 3036, 3174, 3345, 3795, 4460, 4906, 5060, 5129, 5290, 5819, 6348, 6690, 7359, 7590, 7935, 9812, 10258, 10580, 11638, 12265, 13380, 14718, 15180, 15387, 15870, 17457, 20516, 23276, 24530, 25645, 29095, 29436, 30774, 31740, 34914, 36795, 49060, 51290, 56419, 58190, 61548, 69828, 73590, 76935, 87285, 102580, 112838, 116380, 117967, 147180, 153870, 169257, 174570, 225676, 235934, 282095, 307740, 338514, 349140, 353901, 471868, 564190, 589835, 677028, 707802, 846285, 1128380, 1179670, 1297637, 1415604, 1692570, 1769505, 2359340, 2595274, 3385140, 3539010, 3892911, 5190548, 6488185, 7078020, 7785822, 12976370, 15571644, 19464555, 25952740, 38929110, 77858220]

約数ペア:

[(1, 77858220), (2, 38929110), (3, 25952740), (4, 19464555), (5, 15571644), (6, 12976370), (10, 7785822), (11, 7078020), (12, 6488185), (15, 5190548), (20, 3892911), (22, 3539010), (23, 3385140), (30, 2595274), (33, 2359340), (44, 1769505), (46, 1692570), (55, 1415604), (60, 1297637), (66, 1179670), (69, 1128380), (92, 846285), (110, 707802), (115, 677028), (132, 589835), (138, 564190), (165, 471868), (220, 353901), (223, 349140), (230, 338514), (253, 307740), (276, 282095), (330, 235934), (345, 225676), (446, 174570), (460, 169257), (506, 153870), (529, 147180), (660, 117967), (669, 116380), (690, 112838), (759, 102580), (892, 87285), (1012, 76935), (1058, 73590), (1115, 69828), (1265, 61548), (1338, 58190), (1380, 56419), (1518, 51290), (1587, 49060), (2116, 36795), (2230, 34914), (2453, 31740), (2530, 30774), (2645, 29436), (2676, 29095), (3036, 25645), (3174, 24530), (3345, 23276), (3795, 20516), (4460, 17457), (4906, 15870), (5060, 15387), (5129, 15180), (5290, 14718), (5819, 13380), (6348, 12265), (6690, 11638), (7359, 10580), (7590, 10258), (7935, 9812)]