1018288980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{40699}}^1$

素因数の和:40853

約数の個数: 72

約数和(自身を含む): 3111108000

約数和(自身を除く): 2092819020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 25020, 40699, 81398, 122097, 162796, 203495, 244194, 366291, 406990, 488388, 610485, 732582, 813980, 1220970, 1465164, 1831455, 2441940, 3662910, 5657161, 7325820, 11314322, 16971483, 22628644, 28285805, 33942966, 50914449, 56571610, 67885932, 84857415, 101828898, 113143220, 169714830, 203657796, 254572245, 339429660, 509144490, 1018288980]

約数ペア:

[(1, 1018288980), (2, 509144490), (3, 339429660), (4, 254572245), (5, 203657796), (6, 169714830), (9, 113143220), (10, 101828898), (12, 84857415), (15, 67885932), (18, 56571610), (20, 50914449), (30, 33942966), (36, 28285805), (45, 22628644), (60, 16971483), (90, 11314322), (139, 7325820), (180, 5657161), (278, 3662910), (417, 2441940), (556, 1831455), (695, 1465164), (834, 1220970), (1251, 813980), (1390, 732582), (1668, 610485), (2085, 488388), (2502, 406990), (2780, 366291), (4170, 244194), (5004, 203495), (6255, 162796), (8340, 122097), (12510, 81398), (25020, 40699)]