205376220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{162997}}^1$

素因数の和:163019

約数の個数: 72

約数和(自身を含む): 711975264

約数和(自身を除く): 506599044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 162997, 325994, 488991, 651988, 814985, 977982, 1140979, 1466973, 1629970, 1955964, 2281958, 2444955, 2933946, 3259940, 3422937, 4563916, 4889910, 5704895, 5867892, 6845874, 7334865, 9779820, 10268811, 11409790, 13691748, 14669730, 17114685, 20537622, 22819580, 29339460, 34229370, 41075244, 51344055, 68458740, 102688110, 205376220]

約数ペア:

[(1, 205376220), (2, 102688110), (3, 68458740), (4, 51344055), (5, 41075244), (6, 34229370), (7, 29339460), (9, 22819580), (10, 20537622), (12, 17114685), (14, 14669730), (15, 13691748), (18, 11409790), (20, 10268811), (21, 9779820), (28, 7334865), (30, 6845874), (35, 5867892), (36, 5704895), (42, 4889910), (45, 4563916), (60, 3422937), (63, 3259940), (70, 2933946), (84, 2444955), (90, 2281958), (105, 1955964), (126, 1629970), (140, 1466973), (180, 1140979), (210, 977982), (252, 814985), (315, 651988), (420, 488991), (630, 325994), (1260, 162997)]