240786780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308701}}^1$

素因数の和:308726

約数の個数: 48

約数和(自身を含む): 726067104

約数和(自身を除く): 485280324

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, 308701, 617402, 926103, 1234804, 1543505, 1852206, 3087010, 3704412, 4013113, 4630515, 6174020, 8026226, 9261030, 12039339, 16052452, 18522060, 20065565, 24078678, 40131130, 48157356, 60196695, 80262260, 120393390, 240786780]

約数ペア:

[(1, 240786780), (2, 120393390), (3, 80262260), (4, 60196695), (5, 48157356), (6, 40131130), (10, 24078678), (12, 20065565), (13, 18522060), (15, 16052452), (20, 12039339), (26, 9261030), (30, 8026226), (39, 6174020), (52, 4630515), (60, 4013113), (65, 3704412), (78, 3087010), (130, 1852206), (156, 1543505), (195, 1234804), (260, 926103), (390, 617402), (780, 308701)]