891781080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{7499}}^1$

素因数の和:8504

約数の個数: 64

約数和(自身を含む): 2678400000

約数和(自身を除く): 1786618920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 991, 1982, 2973, 3964, 4955, 5946, 7499, 7928, 9910, 11892, 14865, 14998, 19820, 22497, 23784, 29730, 29996, 37495, 39640, 44994, 59460, 59992, 74990, 89988, 112485, 118920, 149980, 179976, 224970, 299960, 449940, 899880, 7431509, 14863018, 22294527, 29726036, 37157545, 44589054, 59452072, 74315090, 89178108, 111472635, 148630180, 178356216, 222945270, 297260360, 445890540, 891781080]

約数ペア:

[(1, 891781080), (2, 445890540), (3, 297260360), (4, 222945270), (5, 178356216), (6, 148630180), (8, 111472635), (10, 89178108), (12, 74315090), (15, 59452072), (20, 44589054), (24, 37157545), (30, 29726036), (40, 22294527), (60, 14863018), (120, 7431509), (991, 899880), (1982, 449940), (2973, 299960), (3964, 224970), (4955, 179976), (5946, 149980), (7499, 118920), (7928, 112485), (9910, 89988), (11892, 74990), (14865, 59992), (14998, 59460), (19820, 44994), (22497, 39640), (23784, 37495), (29730, 29996)]