123051780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40213}}^1$

素因数の和:40245

約数の個数: 72

約数和(自身を含む): 395223192

約数和(自身を除く): 272171412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 40213, 80426, 120639, 160852, 201065, 241278, 361917, 402130, 482556, 603195, 683621, 723834, 804260, 1206390, 1367242, 1447668, 1809585, 2050863, 2412780, 2734484, 3418105, 3619170, 4101726, 6152589, 6836210, 7238340, 8203452, 10254315, 12305178, 13672420, 20508630, 24610356, 30762945, 41017260, 61525890, 123051780]

約数ペア:

[(1, 123051780), (2, 61525890), (3, 41017260), (4, 30762945), (5, 24610356), (6, 20508630), (9, 13672420), (10, 12305178), (12, 10254315), (15, 8203452), (17, 7238340), (18, 6836210), (20, 6152589), (30, 4101726), (34, 3619170), (36, 3418105), (45, 2734484), (51, 2412780), (60, 2050863), (68, 1809585), (85, 1447668), (90, 1367242), (102, 1206390), (153, 804260), (170, 723834), (180, 683621), (204, 603195), (255, 482556), (306, 402130), (340, 361917), (510, 241278), (612, 201065), (765, 160852), (1020, 120639), (1530, 80426), (3060, 40213)]