309558420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4421}}^1$

素因数の和:4825

約数の個数: 72

約数和(自身を含む): 941620680

約数和(自身を除く): 632062260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2334, 3501, 3890, 4421, 4668, 5835, 7002, 7780, 8842, 11670, 13263, 14004, 17505, 17684, 22105, 23340, 26526, 35010, 39789, 44210, 53052, 66315, 70020, 79578, 88420, 132630, 159156, 198945, 265260, 397890, 795780, 1719769, 3439538, 5159307, 6879076, 8598845, 10318614, 15477921, 17197690, 20637228, 25796535, 30955842, 34395380, 51593070, 61911684, 77389605, 103186140, 154779210, 309558420]

約数ペア:

[(1, 309558420), (2, 154779210), (3, 103186140), (4, 77389605), (5, 61911684), (6, 51593070), (9, 34395380), (10, 30955842), (12, 25796535), (15, 20637228), (18, 17197690), (20, 15477921), (30, 10318614), (36, 8598845), (45, 6879076), (60, 5159307), (90, 3439538), (180, 1719769), (389, 795780), (778, 397890), (1167, 265260), (1556, 198945), (1945, 159156), (2334, 132630), (3501, 88420), (3890, 79578), (4421, 70020), (4668, 66315), (5835, 53052), (7002, 44210), (7780, 39789), (8842, 35010), (11670, 26526), (13263, 23340), (14004, 22105), (17505, 17684)]