1947029220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{68897}}^1$

素因数の和:69069

約数の個数: 72

約数和(自身を含む): 5943692664

約数和(自身を除く): 3996663444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 9420, 14130, 28260, 68897, 137794, 206691, 275588, 344485, 413382, 620073, 688970, 826764, 1033455, 1240146, 1377940, 2066910, 2480292, 3100365, 4133820, 6200730, 10816829, 12401460, 21633658, 32450487, 43267316, 54084145, 64900974, 97351461, 108168290, 129801948, 162252435, 194702922, 216336580, 324504870, 389405844, 486757305, 649009740, 973514610, 1947029220]

約数ペア:

[(1, 1947029220), (2, 973514610), (3, 649009740), (4, 486757305), (5, 389405844), (6, 324504870), (9, 216336580), (10, 194702922), (12, 162252435), (15, 129801948), (18, 108168290), (20, 97351461), (30, 64900974), (36, 54084145), (45, 43267316), (60, 32450487), (90, 21633658), (157, 12401460), (180, 10816829), (314, 6200730), (471, 4133820), (628, 3100365), (785, 2480292), (942, 2066910), (1413, 1377940), (1570, 1240146), (1884, 1033455), (2355, 826764), (2826, 688970), (3140, 620073), (4710, 413382), (5652, 344485), (7065, 275588), (9420, 206691), (14130, 137794), (28260, 68897)]