215496540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{171029}}^1$

素因数の和:171051

約数の個数: 72

約数和(自身を含む): 747059040

約数和(自身を除く): 531562500

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, 171029, 342058, 513087, 684116, 855145, 1026174, 1197203, 1539261, 1710290, 2052348, 2394406, 2565435, 3078522, 3420580, 3591609, 4788812, 5130870, 5986015, 6157044, 7183218, 7696305, 10261740, 10774827, 11972030, 14366436, 15392610, 17958045, 21549654, 23944060, 30785220, 35916090, 43099308, 53874135, 71832180, 107748270, 215496540]

約数ペア:

[(1, 215496540), (2, 107748270), (3, 71832180), (4, 53874135), (5, 43099308), (6, 35916090), (7, 30785220), (9, 23944060), (10, 21549654), (12, 17958045), (14, 15392610), (15, 14366436), (18, 11972030), (20, 10774827), (21, 10261740), (28, 7696305), (30, 7183218), (35, 6157044), (36, 5986015), (42, 5130870), (45, 4788812), (60, 3591609), (63, 3420580), (70, 3078522), (84, 2565435), (90, 2394406), (105, 2052348), (126, 1710290), (140, 1539261), (180, 1197203), (210, 1026174), (252, 855145), (315, 684116), (420, 513087), (630, 342058), (1260, 171029)]