18120780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1500

約数の個数: 96

約数和(自身を含む): 58867200

約数和(自身を除く): 40746420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 1459, 2070, 2484, 2918, 3105, 4140, 4377, 5836, 6210, 7295, 8754, 12420, 13131, 14590, 17508, 21885, 26262, 29180, 33557, 39393, 43770, 52524, 65655, 67114, 78786, 87540, 100671, 131310, 134228, 157572, 167785, 196965, 201342, 262620, 302013, 335570, 393930, 402684, 503355, 604026, 671140, 787860, 906039, 1006710, 1208052, 1510065, 1812078, 2013420, 3020130, 3624156, 4530195, 6040260, 9060390, 18120780]

約数ペア:

[(1, 18120780), (2, 9060390), (3, 6040260), (4, 4530195), (5, 3624156), (6, 3020130), (9, 2013420), (10, 1812078), (12, 1510065), (15, 1208052), (18, 1006710), (20, 906039), (23, 787860), (27, 671140), (30, 604026), (36, 503355), (45, 402684), (46, 393930), (54, 335570), (60, 302013), (69, 262620), (90, 201342), (92, 196965), (108, 167785), (115, 157572), (135, 134228), (138, 131310), (180, 100671), (207, 87540), (230, 78786), (270, 67114), (276, 65655), (345, 52524), (414, 43770), (460, 39393), (540, 33557), (621, 29180), (690, 26262), (828, 21885), (1035, 17508), (1242, 14590), (1380, 13131), (1459, 12420), (2070, 8754), (2484, 7295), (2918, 6210), (3105, 5836), (4140, 4377)]