61220628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1037

約数の個数: 72

約数和(自身を含む): 177602880

約数和(自身を除く): 116382252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 379, 641, 758, 1137, 1282, 1516, 1923, 2274, 2564, 2653, 3411, 3846, 4487, 4548, 5306, 5769, 6822, 7692, 7959, 8974, 10612, 11538, 13461, 13644, 15918, 17948, 23076, 23877, 26922, 31836, 40383, 47754, 53844, 80766, 95508, 161532, 242939, 485878, 728817, 971756, 1457634, 1700573, 2186451, 2915268, 3401146, 4372902, 5101719, 6802292, 8745804, 10203438, 15305157, 20406876, 30610314, 61220628]

約数ペア:

[(1, 61220628), (2, 30610314), (3, 20406876), (4, 15305157), (6, 10203438), (7, 8745804), (9, 6802292), (12, 5101719), (14, 4372902), (18, 3401146), (21, 2915268), (28, 2186451), (36, 1700573), (42, 1457634), (63, 971756), (84, 728817), (126, 485878), (252, 242939), (379, 161532), (641, 95508), (758, 80766), (1137, 53844), (1282, 47754), (1516, 40383), (1923, 31836), (2274, 26922), (2564, 23877), (2653, 23076), (3411, 17948), (3846, 15918), (4487, 13644), (4548, 13461), (5306, 11538), (5769, 10612), (6822, 8974), (7692, 7959)]