85708980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{68023}}^1$

素因数の和:68045

約数の個数: 72

約数和(自身を含む): 297128832

約数和(自身を除く): 211419852

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, 68023, 136046, 204069, 272092, 340115, 408138, 476161, 612207, 680230, 816276, 952322, 1020345, 1224414, 1360460, 1428483, 1904644, 2040690, 2380805, 2448828, 2856966, 3061035, 4081380, 4285449, 4761610, 5713932, 6122070, 7142415, 8570898, 9523220, 12244140, 14284830, 17141796, 21427245, 28569660, 42854490, 85708980]

約数ペア:

[(1, 85708980), (2, 42854490), (3, 28569660), (4, 21427245), (5, 17141796), (6, 14284830), (7, 12244140), (9, 9523220), (10, 8570898), (12, 7142415), (14, 6122070), (15, 5713932), (18, 4761610), (20, 4285449), (21, 4081380), (28, 3061035), (30, 2856966), (35, 2448828), (36, 2380805), (42, 2040690), (45, 1904644), (60, 1428483), (63, 1360460), (70, 1224414), (84, 1020345), (90, 952322), (105, 816276), (126, 680230), (140, 612207), (180, 476161), (210, 408138), (252, 340115), (315, 272092), (420, 204069), (630, 136046), (1260, 68023)]