205527420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163117}}^1$

素因数の和:163139

約数の個数: 72

約数和(自身を含む): 712499424

約数和(自身を除く): 506972004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 163117, 326234, 489351, 652468, 815585, 978702, 1141819, 1468053, 1631170, 1957404, 2283638, 2446755, 2936106, 3262340, 3425457, 4567276, 4893510, 5709095, 5872212, 6850914, 7340265, 9787020, 10276371, 11418190, 13701828, 14680530, 17127285, 20552742, 22836380, 29361060, 34254570, 41105484, 51381855, 68509140, 102763710, 205527420]

約数ペア:

[(1, 205527420), (2, 102763710), (3, 68509140), (4, 51381855), (5, 41105484), (6, 34254570), (7, 29361060), (9, 22836380), (10, 20552742), (12, 17127285), (14, 14680530), (15, 13701828), (18, 11418190), (20, 10276371), (21, 9787020), (28, 7340265), (30, 6850914), (35, 5872212), (36, 5709095), (42, 4893510), (45, 4567276), (60, 3425457), (63, 3262340), (70, 2936106), (84, 2446755), (90, 2283638), (105, 1957404), (126, 1631170), (140, 1468053), (180, 1141819), (210, 978702), (252, 815585), (315, 652468), (420, 489351), (630, 326234), (1260, 163117)]