81787231620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{868783}}^1$

素因数の和:869321

約数の個数: 72

約数和(自身を含む): 248562577536

約数和(自身を除く): 166775345916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 523, 1046, 1569, 2092, 2615, 3138, 4707, 5230, 6276, 7845, 9414, 10460, 15690, 18828, 23535, 31380, 47070, 94140, 868783, 1737566, 2606349, 3475132, 4343915, 5212698, 7819047, 8687830, 10425396, 13031745, 15638094, 17375660, 26063490, 31276188, 39095235, 52126980, 78190470, 156380940, 454373509, 908747018, 1363120527, 1817494036, 2271867545, 2726241054, 4089361581, 4543735090, 5452482108, 6815602635, 8178723162, 9087470180, 13631205270, 16357446324, 20446807905, 27262410540, 40893615810, 81787231620]

約数ペア:

[(1, 81787231620), (2, 40893615810), (3, 27262410540), (4, 20446807905), (5, 16357446324), (6, 13631205270), (9, 9087470180), (10, 8178723162), (12, 6815602635), (15, 5452482108), (18, 4543735090), (20, 4089361581), (30, 2726241054), (36, 2271867545), (45, 1817494036), (60, 1363120527), (90, 908747018), (180, 454373509), (523, 156380940), (1046, 78190470), (1569, 52126980), (2092, 39095235), (2615, 31276188), (3138, 26063490), (4707, 17375660), (5230, 15638094), (6276, 13031745), (7845, 10425396), (9414, 8687830), (10460, 7819047), (15690, 5212698), (18828, 4343915), (23535, 3475132), (31380, 2606349), (47070, 1737566), (94140, 868783)]