7272420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 20707008

約数和(自身を除く): 13434588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 1987, 3660, 3974, 5961, 7948, 9935, 11922, 19870, 23844, 29805, 39740, 59610, 119220, 121207, 242414, 363621, 484828, 606035, 727242, 1212070, 1454484, 1818105, 2424140, 3636210, 7272420]

約数ペア:

[(1, 7272420), (2, 3636210), (3, 2424140), (4, 1818105), (5, 1454484), (6, 1212070), (10, 727242), (12, 606035), (15, 484828), (20, 363621), (30, 242414), (60, 121207), (61, 119220), (122, 59610), (183, 39740), (244, 29805), (305, 23844), (366, 19870), (610, 11922), (732, 9935), (915, 7948), (1220, 5961), (1830, 3974), (1987, 3660)]