78457860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33529}}^1$

素因数の和:33557

約数の個数: 72

約数和(自身を含む): 256303320

約数和(自身を除く): 177845460

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, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 33529, 67058, 100587, 134116, 167645, 201174, 301761, 335290, 402348, 435877, 502935, 603522, 670580, 871754, 1005870, 1207044, 1307631, 1508805, 1743508, 2011740, 2179385, 2615262, 3017610, 3922893, 4358770, 5230524, 6035220, 6538155, 7845786, 8717540, 13076310, 15691572, 19614465, 26152620, 39228930, 78457860]

約数ペア:

[(1, 78457860), (2, 39228930), (3, 26152620), (4, 19614465), (5, 15691572), (6, 13076310), (9, 8717540), (10, 7845786), (12, 6538155), (13, 6035220), (15, 5230524), (18, 4358770), (20, 3922893), (26, 3017610), (30, 2615262), (36, 2179385), (39, 2011740), (45, 1743508), (52, 1508805), (60, 1307631), (65, 1207044), (78, 1005870), (90, 871754), (117, 670580), (130, 603522), (156, 502935), (180, 435877), (195, 402348), (234, 335290), (260, 301761), (390, 201174), (468, 167645), (585, 134116), (780, 100587), (1170, 67058), (2340, 33529)]