177854220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 558073152

約数和(自身を除く): 380218932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 103, 106, 159, 180, 181, 206, 212, 265, 309, 318, 362, 412, 477, 515, 530, 543, 618, 636, 724, 795, 905, 927, 954, 1030, 1060, 1086, 1236, 1545, 1590, 1629, 1810, 1854, 1908, 2060, 2172, 2385, 2715, 3090, 3180, 3258, 3620, 3708, 4635, 4770, 5430, 5459, 6180, 6516, 8145, 9270, 9540, 9593, 10860, 10918, 16290, 16377, 18540, 18643, 19186, 21836, 27295, 28779, 32580, 32754, 37286, 38372, 47965, 49131, 54590, 55929, 57558, 65508, 74572, 81885, 86337, 93215, 95930, 98262, 109180, 111858, 115116, 143895, 163770, 167787, 172674, 186430, 191860, 196524, 223716, 245655, 279645, 287790, 327540, 335574, 345348, 372860, 431685, 491310, 559290, 575580, 671148, 838935, 863370, 982620, 988079, 1118580, 1677870, 1726740, 1976158, 2964237, 3355740, 3952316, 4940395, 5928474, 8892711, 9880790, 11856948, 14821185, 17785422, 19761580, 29642370, 35570844, 44463555, 59284740, 88927110, 177854220]

約数ペア:

[(1, 177854220), (2, 88927110), (3, 59284740), (4, 44463555), (5, 35570844), (6, 29642370), (9, 19761580), (10, 17785422), (12, 14821185), (15, 11856948), (18, 9880790), (20, 8892711), (30, 5928474), (36, 4940395), (45, 3952316), (53, 3355740), (60, 2964237), (90, 1976158), (103, 1726740), (106, 1677870), (159, 1118580), (180, 988079), (181, 982620), (206, 863370), (212, 838935), (265, 671148), (309, 575580), (318, 559290), (362, 491310), (412, 431685), (477, 372860), (515, 345348), (530, 335574), (543, 327540), (618, 287790), (636, 279645), (724, 245655), (795, 223716), (905, 196524), (927, 191860), (954, 186430), (1030, 172674), (1060, 167787), (1086, 163770), (1236, 143895), (1545, 115116), (1590, 111858), (1629, 109180), (1810, 98262), (1854, 95930), (1908, 93215), (2060, 86337), (2172, 81885), (2385, 74572), (2715, 65508), (3090, 57558), (3180, 55929), (3258, 54590), (3620, 49131), (3708, 47965), (4635, 38372), (4770, 37286), (5430, 32754), (5459, 32580), (6180, 28779), (6516, 27295), (8145, 21836), (9270, 19186), (9540, 18643), (9593, 18540), (10860, 16377), (10918, 16290)]