8722020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{503}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 25994304

約数和(自身を除く): 17272284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 503, 510, 578, 867, 1006, 1020, 1156, 1445, 1509, 1734, 2012, 2515, 2890, 3018, 3468, 4335, 5030, 5780, 6036, 7545, 8551, 8670, 10060, 15090, 17102, 17340, 25653, 30180, 34204, 42755, 51306, 85510, 102612, 128265, 145367, 171020, 256530, 290734, 436101, 513060, 581468, 726835, 872202, 1453670, 1744404, 2180505, 2907340, 4361010, 8722020]

約数ペア:

[(1, 8722020), (2, 4361010), (3, 2907340), (4, 2180505), (5, 1744404), (6, 1453670), (10, 872202), (12, 726835), (15, 581468), (17, 513060), (20, 436101), (30, 290734), (34, 256530), (51, 171020), (60, 145367), (68, 128265), (85, 102612), (102, 85510), (170, 51306), (204, 42755), (255, 34204), (289, 30180), (340, 25653), (503, 17340), (510, 17102), (578, 15090), (867, 10060), (1006, 8670), (1020, 8551), (1156, 7545), (1445, 6036), (1509, 5780), (1734, 5030), (2012, 4335), (2515, 3468), (2890, 3018)]