140668020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41131}}^1$

素因数の和:41165

約数の個数: 72

約数和(自身を含む): 449161440

約数和(自身を除く): 308493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 41131, 82262, 123393, 164524, 205655, 246786, 370179, 411310, 493572, 616965, 740358, 781489, 822620, 1233930, 1480716, 1562978, 1850895, 2344467, 2467860, 3125956, 3701790, 3907445, 4688934, 7033401, 7403580, 7814890, 9377868, 11722335, 14066802, 15629780, 23444670, 28133604, 35167005, 46889340, 70334010, 140668020]

約数ペア:

[(1, 140668020), (2, 70334010), (3, 46889340), (4, 35167005), (5, 28133604), (6, 23444670), (9, 15629780), (10, 14066802), (12, 11722335), (15, 9377868), (18, 7814890), (19, 7403580), (20, 7033401), (30, 4688934), (36, 3907445), (38, 3701790), (45, 3125956), (57, 2467860), (60, 2344467), (76, 1850895), (90, 1562978), (95, 1480716), (114, 1233930), (171, 822620), (180, 781489), (190, 740358), (228, 616965), (285, 493572), (342, 411310), (380, 370179), (570, 246786), (684, 205655), (855, 164524), (1140, 123393), (1710, 82262), (3420, 41131)]