1600720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 4339008

約数和(自身を除く): 2738288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 107, 110, 136, 170, 176, 187, 214, 220, 272, 340, 374, 428, 440, 535, 680, 748, 856, 880, 935, 1070, 1177, 1360, 1496, 1712, 1819, 1870, 2140, 2354, 2992, 3638, 3740, 4280, 4708, 5885, 7276, 7480, 8560, 9095, 9416, 11770, 14552, 14960, 18190, 18832, 20009, 23540, 29104, 36380, 40018, 47080, 72760, 80036, 94160, 100045, 145520, 160072, 200090, 320144, 400180, 800360, 1600720]

約数ペア:

[(1, 1600720), (2, 800360), (4, 400180), (5, 320144), (8, 200090), (10, 160072), (11, 145520), (16, 100045), (17, 94160), (20, 80036), (22, 72760), (34, 47080), (40, 40018), (44, 36380), (55, 29104), (68, 23540), (80, 20009), (85, 18832), (88, 18190), (107, 14960), (110, 14552), (136, 11770), (170, 9416), (176, 9095), (187, 8560), (214, 7480), (220, 7276), (272, 5885), (340, 4708), (374, 4280), (428, 3740), (440, 3638), (535, 2992), (680, 2354), (748, 2140), (856, 1870), (880, 1819), (935, 1712), (1070, 1496), (1177, 1360)]