331386990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43661}}^1$

素因数の和:43705

約数の個数: 64

約数和(自身を含む): 905375232

約数和(自身を除く): 573988242

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 3795, 7590, 43661, 87322, 130983, 218305, 261966, 436610, 480271, 654915, 960542, 1004203, 1309830, 1440813, 2008406, 2401355, 2881626, 3012609, 4802710, 5021015, 6025218, 7204065, 10042030, 11046233, 14408130, 15063045, 22092466, 30126090, 33138699, 55231165, 66277398, 110462330, 165693495, 331386990]

約数ペア:

[(1, 331386990), (2, 165693495), (3, 110462330), (5, 66277398), (6, 55231165), (10, 33138699), (11, 30126090), (15, 22092466), (22, 15063045), (23, 14408130), (30, 11046233), (33, 10042030), (46, 7204065), (55, 6025218), (66, 5021015), (69, 4802710), (110, 3012609), (115, 2881626), (138, 2401355), (165, 2008406), (230, 1440813), (253, 1309830), (330, 1004203), (345, 960542), (506, 654915), (690, 480271), (759, 436610), (1265, 261966), (1518, 218305), (2530, 130983), (3795, 87322), (7590, 43661)]