689403780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2917}}^1$

素因数の和:3046

約数の個数: 144

約数和(自身を含む): 2275129584

約数和(自身を除く): 1585725804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 101, 117, 130, 156, 180, 195, 202, 234, 260, 303, 390, 404, 468, 505, 585, 606, 780, 909, 1010, 1170, 1212, 1313, 1515, 1818, 2020, 2340, 2626, 2917, 3030, 3636, 3939, 4545, 5252, 5834, 6060, 6565, 7878, 8751, 9090, 11668, 11817, 13130, 14585, 15756, 17502, 18180, 19695, 23634, 26253, 26260, 29170, 35004, 37921, 39390, 43755, 47268, 52506, 58340, 59085, 75842, 78780, 87510, 105012, 113763, 118170, 131265, 151684, 175020, 189605, 227526, 236340, 262530, 294617, 341289, 379210, 455052, 525060, 568815, 589234, 682578, 758420, 883851, 1137630, 1178468, 1365156, 1473085, 1706445, 1767702, 2275260, 2651553, 2946170, 3412890, 3535404, 3830021, 4419255, 5303106, 5892340, 6825780, 7660042, 8838510, 10606212, 11490063, 13257765, 15320084, 17677020, 19150105, 22980126, 26515530, 34470189, 38300210, 45960252, 53031060, 57450315, 68940378, 76600420, 114900630, 137880756, 172350945, 229801260, 344701890, 689403780]

約数ペア:

[(1, 689403780), (2, 344701890), (3, 229801260), (4, 172350945), (5, 137880756), (6, 114900630), (9, 76600420), (10, 68940378), (12, 57450315), (13, 53031060), (15, 45960252), (18, 38300210), (20, 34470189), (26, 26515530), (30, 22980126), (36, 19150105), (39, 17677020), (45, 15320084), (52, 13257765), (60, 11490063), (65, 10606212), (78, 8838510), (90, 7660042), (101, 6825780), (117, 5892340), (130, 5303106), (156, 4419255), (180, 3830021), (195, 3535404), (202, 3412890), (234, 2946170), (260, 2651553), (303, 2275260), (390, 1767702), (404, 1706445), (468, 1473085), (505, 1365156), (585, 1178468), (606, 1137630), (780, 883851), (909, 758420), (1010, 682578), (1170, 589234), (1212, 568815), (1313, 525060), (1515, 455052), (1818, 379210), (2020, 341289), (2340, 294617), (2626, 262530), (2917, 236340), (3030, 227526), (3636, 189605), (3939, 175020), (4545, 151684), (5252, 131265), (5834, 118170), (6060, 113763), (6565, 105012), (7878, 87510), (8751, 78780), (9090, 75842), (11668, 59085), (11817, 58340), (13130, 52506), (14585, 47268), (15756, 43755), (17502, 39390), (18180, 37921), (19695, 35004), (23634, 29170), (26253, 26260)]