7921492020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3385253}}^1$

素因数の和:3385281

約数の個数: 72

約数和(自身を含む): 25876881576

約数和(自身を除く): 17955389556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 3385253, 6770506, 10155759, 13541012, 16926265, 20311518, 30467277, 33852530, 40623036, 44008289, 50778795, 60934554, 67705060, 88016578, 101557590, 121869108, 132024867, 152336385, 176033156, 203115180, 220041445, 264049734, 304672770, 396074601, 440082890, 528099468, 609345540, 660124335, 792149202, 880165780, 1320248670, 1584298404, 1980373005, 2640497340, 3960746010, 7921492020]

約数ペア:

[(1, 7921492020), (2, 3960746010), (3, 2640497340), (4, 1980373005), (5, 1584298404), (6, 1320248670), (9, 880165780), (10, 792149202), (12, 660124335), (13, 609345540), (15, 528099468), (18, 440082890), (20, 396074601), (26, 304672770), (30, 264049734), (36, 220041445), (39, 203115180), (45, 176033156), (52, 152336385), (60, 132024867), (65, 121869108), (78, 101557590), (90, 88016578), (117, 67705060), (130, 60934554), (156, 50778795), (180, 44008289), (195, 40623036), (234, 33852530), (260, 30467277), (390, 20311518), (468, 16926265), (585, 13541012), (780, 10155759), (1170, 6770506), (2340, 3385253)]