258976620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{205537}}^1$

素因数の和:205559

約数の個数: 72

約数和(自身を含む): 897789984

約数和(自身を除く): 638813364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 205537, 411074, 616611, 822148, 1027685, 1233222, 1438759, 1849833, 2055370, 2466444, 2877518, 3083055, 3699666, 4110740, 4316277, 5755036, 6166110, 7193795, 7399332, 8632554, 9249165, 12332220, 12948831, 14387590, 17265108, 18498330, 21581385, 25897662, 28775180, 36996660, 43162770, 51795324, 64744155, 86325540, 129488310, 258976620]

約数ペア:

[(1, 258976620), (2, 129488310), (3, 86325540), (4, 64744155), (5, 51795324), (6, 43162770), (7, 36996660), (9, 28775180), (10, 25897662), (12, 21581385), (14, 18498330), (15, 17265108), (18, 14387590), (20, 12948831), (21, 12332220), (28, 9249165), (30, 8632554), (35, 7399332), (36, 7193795), (42, 6166110), (45, 5755036), (60, 4316277), (63, 4110740), (70, 3699666), (84, 3083055), (90, 2877518), (105, 2466444), (126, 2055370), (140, 1849833), (180, 1438759), (210, 1233222), (252, 1027685), (315, 822148), (420, 616611), (630, 411074), (1260, 205537)]