77626980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 245306880

約数和(自身を除く): 167679900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 79, 90, 103, 106, 158, 159, 180, 206, 212, 237, 265, 309, 316, 318, 395, 412, 474, 477, 515, 530, 618, 636, 711, 790, 795, 927, 948, 954, 1030, 1060, 1185, 1236, 1422, 1545, 1580, 1590, 1854, 1908, 2060, 2370, 2385, 2844, 3090, 3180, 3555, 3708, 4187, 4635, 4740, 4770, 5459, 6180, 7110, 8137, 8374, 9270, 9540, 10918, 12561, 14220, 16274, 16377, 16748, 18540, 20935, 21836, 24411, 25122, 27295, 32548, 32754, 37683, 40685, 41870, 48822, 49131, 50244, 54590, 62805, 65508, 73233, 75366, 81370, 81885, 83740, 97644, 98262, 109180, 122055, 125610, 146466, 150732, 162740, 163770, 188415, 196524, 244110, 245655, 251220, 292932, 327540, 366165, 376830, 431261, 488220, 491310, 732330, 753660, 862522, 982620, 1293783, 1464660, 1725044, 2156305, 2587566, 3881349, 4312610, 5175132, 6468915, 7762698, 8625220, 12937830, 15525396, 19406745, 25875660, 38813490, 77626980]

約数ペア:

[(1, 77626980), (2, 38813490), (3, 25875660), (4, 19406745), (5, 15525396), (6, 12937830), (9, 8625220), (10, 7762698), (12, 6468915), (15, 5175132), (18, 4312610), (20, 3881349), (30, 2587566), (36, 2156305), (45, 1725044), (53, 1464660), (60, 1293783), (79, 982620), (90, 862522), (103, 753660), (106, 732330), (158, 491310), (159, 488220), (180, 431261), (206, 376830), (212, 366165), (237, 327540), (265, 292932), (309, 251220), (316, 245655), (318, 244110), (395, 196524), (412, 188415), (474, 163770), (477, 162740), (515, 150732), (530, 146466), (618, 125610), (636, 122055), (711, 109180), (790, 98262), (795, 97644), (927, 83740), (948, 81885), (954, 81370), (1030, 75366), (1060, 73233), (1185, 65508), (1236, 62805), (1422, 54590), (1545, 50244), (1580, 49131), (1590, 48822), (1854, 41870), (1908, 40685), (2060, 37683), (2370, 32754), (2385, 32548), (2844, 27295), (3090, 25122), (3180, 24411), (3555, 21836), (3708, 20935), (4187, 18540), (4635, 16748), (4740, 16377), (4770, 16274), (5459, 14220), (6180, 12561), (7110, 10918), (8137, 9540), (8374, 9270)]