80972580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103811}}^1$

素因数の和:103836

約数の個数: 48

約数和(自身を含む): 244165824

約数和(自身を除く): 163193244

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, 103811, 207622, 311433, 415244, 519055, 622866, 1038110, 1245732, 1349543, 1557165, 2076220, 2699086, 3114330, 4048629, 5398172, 6228660, 6747715, 8097258, 13495430, 16194516, 20243145, 26990860, 40486290, 80972580]

約数ペア:

[(1, 80972580), (2, 40486290), (3, 26990860), (4, 20243145), (5, 16194516), (6, 13495430), (10, 8097258), (12, 6747715), (13, 6228660), (15, 5398172), (20, 4048629), (26, 3114330), (30, 2699086), (39, 2076220), (52, 1557165), (60, 1349543), (65, 1245732), (78, 1038110), (130, 622866), (156, 519055), (195, 415244), (260, 311433), (390, 207622), (780, 103811)]