221635260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15991}}^1$

素因数の和:16024

約数の個数: 144

約数和(自身を含む): 838236672

約数和(自身を除く): 616601412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 15991, 31982, 47973, 63964, 79955, 95946, 111937, 143919, 159910, 175901, 191892, 223874, 239865, 287838, 319820, 335811, 351802, 447748, 479730, 527703, 559685, 575676, 671622, 703604, 719595, 879505, 959460, 1007433, 1055406, 1119370, 1231307, 1343244, 1439190, 1583109, 1679055, 1759010, 2014866, 2110812, 2238740, 2462614, 2638515, 2878380, 3166218, 3358110, 3518020, 3693921, 4029732, 4925228, 5037165, 5277030, 6156535, 6332436, 6716220, 7387842, 7915545, 10074330, 10554060, 11081763, 12313070, 14775684, 15831090, 18469605, 20148660, 22163526, 24626140, 31662180, 36939210, 44327052, 55408815, 73878420, 110817630, 221635260]

約数ペア:

[(1, 221635260), (2, 110817630), (3, 73878420), (4, 55408815), (5, 44327052), (6, 36939210), (7, 31662180), (9, 24626140), (10, 22163526), (11, 20148660), (12, 18469605), (14, 15831090), (15, 14775684), (18, 12313070), (20, 11081763), (21, 10554060), (22, 10074330), (28, 7915545), (30, 7387842), (33, 6716220), (35, 6332436), (36, 6156535), (42, 5277030), (44, 5037165), (45, 4925228), (55, 4029732), (60, 3693921), (63, 3518020), (66, 3358110), (70, 3166218), (77, 2878380), (84, 2638515), (90, 2462614), (99, 2238740), (105, 2110812), (110, 2014866), (126, 1759010), (132, 1679055), (140, 1583109), (154, 1439190), (165, 1343244), (180, 1231307), (198, 1119370), (210, 1055406), (220, 1007433), (231, 959460), (252, 879505), (308, 719595), (315, 703604), (330, 671622), (385, 575676), (396, 559685), (420, 527703), (462, 479730), (495, 447748), (630, 351802), (660, 335811), (693, 319820), (770, 287838), (924, 239865), (990, 223874), (1155, 191892), (1260, 175901), (1386, 159910), (1540, 143919), (1980, 111937), (2310, 95946), (2772, 79955), (3465, 63964), (4620, 47973), (6930, 31982), (13860, 15991)]