210318780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71537}}^1$

素因数の和:71563

約数の個数: 72

約数和(自身を含む): 685047888

約数和(自身を除く): 474729108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 71537, 143074, 214611, 286148, 357685, 429222, 500759, 715370, 858444, 1001518, 1073055, 1430740, 1502277, 2003036, 2146110, 2503795, 3004554, 3505313, 4292220, 5007590, 6009108, 7010626, 7511385, 10015180, 10515939, 14021252, 15022770, 17526565, 21031878, 30045540, 35053130, 42063756, 52579695, 70106260, 105159390, 210318780]

約数ペア:

[(1, 210318780), (2, 105159390), (3, 70106260), (4, 52579695), (5, 42063756), (6, 35053130), (7, 30045540), (10, 21031878), (12, 17526565), (14, 15022770), (15, 14021252), (20, 10515939), (21, 10015180), (28, 7511385), (30, 7010626), (35, 6009108), (42, 5007590), (49, 4292220), (60, 3505313), (70, 3004554), (84, 2503795), (98, 2146110), (105, 2003036), (140, 1502277), (147, 1430740), (196, 1073055), (210, 1001518), (245, 858444), (294, 715370), (420, 500759), (490, 429222), (588, 357685), (735, 286148), (980, 214611), (1470, 143074), (2940, 71537)]