129449580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165961}}^1$

素因数の和:165986

約数の個数: 48

約数和(自身を含む): 390342624

約数和(自身を除く): 260893044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 165961, 331922, 497883, 663844, 829805, 995766, 1659610, 1991532, 2157493, 2489415, 3319220, 4314986, 4978830, 6472479, 8629972, 9957660, 10787465, 12944958, 21574930, 25889916, 32362395, 43149860, 64724790, 129449580]

約数ペア:

[(1, 129449580), (2, 64724790), (3, 43149860), (4, 32362395), (5, 25889916), (6, 21574930), (10, 12944958), (12, 10787465), (13, 9957660), (15, 8629972), (20, 6472479), (26, 4978830), (30, 4314986), (39, 3319220), (52, 2489415), (60, 2157493), (65, 1991532), (78, 1659610), (130, 995766), (156, 829805), (195, 663844), (260, 497883), (390, 331922), (780, 165961)]