120039440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 291648000

約数和(自身を除く): 171608560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 499, 620, 776, 970, 998, 1240, 1552, 1940, 1996, 2480, 2495, 3007, 3880, 3992, 4990, 6014, 7760, 7984, 9980, 12028, 15035, 15469, 19960, 24056, 30070, 30938, 39920, 48112, 48403, 60140, 61876, 77345, 96806, 120280, 123752, 154690, 193612, 240560, 242015, 247504, 309380, 387224, 484030, 618760, 774448, 968060, 1237520, 1500493, 1936120, 3000986, 3872240, 6001972, 7502465, 12003944, 15004930, 24007888, 30009860, 60019720, 120039440]

約数ペア:

[(1, 120039440), (2, 60019720), (4, 30009860), (5, 24007888), (8, 15004930), (10, 12003944), (16, 7502465), (20, 6001972), (31, 3872240), (40, 3000986), (62, 1936120), (80, 1500493), (97, 1237520), (124, 968060), (155, 774448), (194, 618760), (248, 484030), (310, 387224), (388, 309380), (485, 247504), (496, 242015), (499, 240560), (620, 193612), (776, 154690), (970, 123752), (998, 120280), (1240, 96806), (1552, 77345), (1940, 61876), (1996, 60140), (2480, 48403), (2495, 48112), (3007, 39920), (3880, 30938), (3992, 30070), (4990, 24056), (6014, 19960), (7760, 15469), (7984, 15035), (9980, 12028)]