1389180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 4242672

約数和(自身を除く): 2853492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 169, 195, 260, 274, 338, 390, 411, 507, 548, 676, 685, 780, 822, 845, 1014, 1370, 1644, 1690, 1781, 2028, 2055, 2535, 2740, 3380, 3562, 4110, 5070, 5343, 7124, 8220, 8905, 10140, 10686, 17810, 21372, 23153, 26715, 35620, 46306, 53430, 69459, 92612, 106860, 115765, 138918, 231530, 277836, 347295, 463060, 694590, 1389180]

約数ペア:

[(1, 1389180), (2, 694590), (3, 463060), (4, 347295), (5, 277836), (6, 231530), (10, 138918), (12, 115765), (13, 106860), (15, 92612), (20, 69459), (26, 53430), (30, 46306), (39, 35620), (52, 26715), (60, 23153), (65, 21372), (78, 17810), (130, 10686), (137, 10140), (156, 8905), (169, 8220), (195, 7124), (260, 5343), (274, 5070), (338, 4110), (390, 3562), (411, 3380), (507, 2740), (548, 2535), (676, 2055), (685, 2028), (780, 1781), (822, 1690), (845, 1644), (1014, 1370)]