1216417860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{965411}}^1$

素因数の和:965433

約数の個数: 72

約数和(自身を含む): 4216919616

約数和(自身を除く): 3000501756

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, 965411, 1930822, 2896233, 3861644, 4827055, 5792466, 6757877, 8688699, 9654110, 11584932, 13515754, 14481165, 17377398, 19308220, 20273631, 27031508, 28962330, 33789385, 34754796, 40547262, 43443495, 57924660, 60820893, 67578770, 81094524, 86886990, 101368155, 121641786, 135157540, 173773980, 202736310, 243283572, 304104465, 405472620, 608208930, 1216417860]

約数ペア:

[(1, 1216417860), (2, 608208930), (3, 405472620), (4, 304104465), (5, 243283572), (6, 202736310), (7, 173773980), (9, 135157540), (10, 121641786), (12, 101368155), (14, 86886990), (15, 81094524), (18, 67578770), (20, 60820893), (21, 57924660), (28, 43443495), (30, 40547262), (35, 34754796), (36, 33789385), (42, 28962330), (45, 27031508), (60, 20273631), (63, 19308220), (70, 17377398), (84, 14481165), (90, 13515754), (105, 11584932), (126, 9654110), (140, 8688699), (180, 6757877), (210, 5792466), (252, 4827055), (315, 3861644), (420, 2896233), (630, 1930822), (1260, 965411)]