688852240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{16339}}^1$

素因数の和:16400

約数の個数: 80

約数和(自身を含む): 1750602240

約数和(自身を除く): 1061750000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 16339, 21080, 32678, 42160, 65356, 81695, 130712, 163390, 261424, 277763, 326780, 506509, 555526, 653560, 1013018, 1111052, 1307120, 1388815, 2026036, 2222104, 2532545, 2777630, 4052072, 4444208, 5065090, 5555260, 8104144, 8610653, 10130180, 11110520, 17221306, 20260360, 22221040, 34442612, 40520720, 43053265, 68885224, 86106530, 137770448, 172213060, 344426120, 688852240]

約数ペア:

[(1, 688852240), (2, 344426120), (4, 172213060), (5, 137770448), (8, 86106530), (10, 68885224), (16, 43053265), (17, 40520720), (20, 34442612), (31, 22221040), (34, 20260360), (40, 17221306), (62, 11110520), (68, 10130180), (80, 8610653), (85, 8104144), (124, 5555260), (136, 5065090), (155, 4444208), (170, 4052072), (248, 2777630), (272, 2532545), (310, 2222104), (340, 2026036), (496, 1388815), (527, 1307120), (620, 1111052), (680, 1013018), (1054, 653560), (1240, 555526), (1360, 506509), (2108, 326780), (2480, 277763), (2635, 261424), (4216, 163390), (5270, 130712), (8432, 81695), (10540, 65356), (16339, 42160), (21080, 32678)]