51775020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 174021120

約数和(自身を除く): 122246100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 79, 90, 99, 110, 132, 158, 165, 180, 198, 220, 237, 316, 330, 331, 395, 396, 474, 495, 660, 662, 711, 790, 869, 948, 990, 993, 1185, 1324, 1422, 1580, 1655, 1738, 1980, 1986, 2370, 2607, 2844, 2979, 3310, 3476, 3555, 3641, 3972, 4345, 4740, 4965, 5214, 5958, 6620, 7110, 7282, 7821, 8690, 9930, 10428, 10923, 11916, 13035, 14220, 14564, 14895, 15642, 17380, 18205, 19860, 21846, 26070, 26149, 29790, 31284, 32769, 36410, 39105, 43692, 52140, 52298, 54615, 59580, 65538, 72820, 78210, 78447, 104596, 109230, 130745, 131076, 156420, 156894, 163845, 218460, 235341, 261490, 287639, 313788, 327690, 392235, 470682, 522980, 575278, 655380, 784470, 862917, 941364, 1150556, 1176705, 1438195, 1568940, 1725834, 2353410, 2588751, 2876390, 3451668, 4314585, 4706820, 5177502, 5752780, 8629170, 10355004, 12943755, 17258340, 25887510, 51775020]

約数ペア:

[(1, 51775020), (2, 25887510), (3, 17258340), (4, 12943755), (5, 10355004), (6, 8629170), (9, 5752780), (10, 5177502), (11, 4706820), (12, 4314585), (15, 3451668), (18, 2876390), (20, 2588751), (22, 2353410), (30, 1725834), (33, 1568940), (36, 1438195), (44, 1176705), (45, 1150556), (55, 941364), (60, 862917), (66, 784470), (79, 655380), (90, 575278), (99, 522980), (110, 470682), (132, 392235), (158, 327690), (165, 313788), (180, 287639), (198, 261490), (220, 235341), (237, 218460), (316, 163845), (330, 156894), (331, 156420), (395, 131076), (396, 130745), (474, 109230), (495, 104596), (660, 78447), (662, 78210), (711, 72820), (790, 65538), (869, 59580), (948, 54615), (990, 52298), (993, 52140), (1185, 43692), (1324, 39105), (1422, 36410), (1580, 32769), (1655, 31284), (1738, 29790), (1980, 26149), (1986, 26070), (2370, 21846), (2607, 19860), (2844, 18205), (2979, 17380), (3310, 15642), (3476, 14895), (3555, 14564), (3641, 14220), (3972, 13035), (4345, 11916), (4740, 10923), (4965, 10428), (5214, 9930), (5958, 8690), (6620, 7821), (7110, 7282)]