87128580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18859}}^1$

素因数の和:18889

約数の個数: 96

約数和(自身を含む): 304174080

約数和(自身を除く): 217045500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 18859, 37718, 56577, 75436, 94295, 113154, 132013, 188590, 207449, 226308, 264026, 282885, 377180, 396039, 414898, 528052, 565770, 622347, 660065, 792078, 829796, 1037245, 1131540, 1244694, 1320130, 1452143, 1584156, 1980195, 2074490, 2489388, 2640260, 2904286, 3111735, 3960390, 4148980, 4356429, 5808572, 6223470, 7260715, 7920780, 8712858, 12446940, 14521430, 17425716, 21782145, 29042860, 43564290, 87128580]

約数ペア:

[(1, 87128580), (2, 43564290), (3, 29042860), (4, 21782145), (5, 17425716), (6, 14521430), (7, 12446940), (10, 8712858), (11, 7920780), (12, 7260715), (14, 6223470), (15, 5808572), (20, 4356429), (21, 4148980), (22, 3960390), (28, 3111735), (30, 2904286), (33, 2640260), (35, 2489388), (42, 2074490), (44, 1980195), (55, 1584156), (60, 1452143), (66, 1320130), (70, 1244694), (77, 1131540), (84, 1037245), (105, 829796), (110, 792078), (132, 660065), (140, 622347), (154, 565770), (165, 528052), (210, 414898), (220, 396039), (231, 377180), (308, 282885), (330, 264026), (385, 226308), (420, 207449), (462, 188590), (660, 132013), (770, 113154), (924, 94295), (1155, 75436), (1540, 56577), (2310, 37718), (4620, 18859)]