217416780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{172553}}^1$

素因数の和:172575

約数の個数: 72

約数和(自身を含む): 753715872

約数和(自身を除く): 536299092

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, 172553, 345106, 517659, 690212, 862765, 1035318, 1207871, 1552977, 1725530, 2070636, 2415742, 2588295, 3105954, 3451060, 3623613, 4831484, 5176590, 6039355, 6211908, 7247226, 7764885, 10353180, 10870839, 12078710, 14494452, 15529770, 18118065, 21741678, 24157420, 31059540, 36236130, 43483356, 54354195, 72472260, 108708390, 217416780]

約数ペア:

[(1, 217416780), (2, 108708390), (3, 72472260), (4, 54354195), (5, 43483356), (6, 36236130), (7, 31059540), (9, 24157420), (10, 21741678), (12, 18118065), (14, 15529770), (15, 14494452), (18, 12078710), (20, 10870839), (21, 10353180), (28, 7764885), (30, 7247226), (35, 6211908), (36, 6039355), (42, 5176590), (45, 4831484), (60, 3623613), (63, 3451060), (70, 3105954), (84, 2588295), (90, 2415742), (105, 2070636), (126, 1725530), (140, 1552977), (180, 1207871), (210, 1035318), (252, 862765), (315, 690212), (420, 517659), (630, 345106), (1260, 172553)]