308678220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16979}}^1$

素因数の和:17095

約数の個数: 72

約数和(自身を含む): 945650160

約数和(自身を除く): 636971940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 16979, 18180, 33958, 50937, 67916, 84895, 101874, 152811, 169790, 203748, 254685, 305622, 339580, 509370, 611244, 764055, 1018740, 1528110, 1714879, 3056220, 3429758, 5144637, 6859516, 8574395, 10289274, 15433911, 17148790, 20578548, 25723185, 30867822, 34297580, 51446370, 61735644, 77169555, 102892740, 154339110, 308678220]

約数ペア:

[(1, 308678220), (2, 154339110), (3, 102892740), (4, 77169555), (5, 61735644), (6, 51446370), (9, 34297580), (10, 30867822), (12, 25723185), (15, 20578548), (18, 17148790), (20, 15433911), (30, 10289274), (36, 8574395), (45, 6859516), (60, 5144637), (90, 3429758), (101, 3056220), (180, 1714879), (202, 1528110), (303, 1018740), (404, 764055), (505, 611244), (606, 509370), (909, 339580), (1010, 305622), (1212, 254685), (1515, 203748), (1818, 169790), (2020, 152811), (3030, 101874), (3636, 84895), (4545, 67916), (6060, 50937), (9090, 33958), (16979, 18180)]