881308890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42391}}^1$

素因数の和:42425

約数の個数: 128

約数和(自身を含む): 2930135040

約数和(自身を除く): 2048826150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 135, 154, 165, 189, 198, 210, 231, 270, 297, 315, 330, 378, 385, 462, 495, 594, 630, 693, 770, 945, 990, 1155, 1386, 1485, 1890, 2079, 2310, 2970, 3465, 4158, 6930, 10395, 20790, 42391, 84782, 127173, 211955, 254346, 296737, 381519, 423910, 466301, 593474, 635865, 763038, 890211, 932602, 1144557, 1271730, 1398903, 1483685, 1780422, 1907595, 2289114, 2331505, 2670633, 2797806, 2967370, 3264107, 3815190, 4196709, 4451055, 4663010, 5341266, 5722785, 6528214, 6994515, 8011899, 8393418, 8902110, 9792321, 11445570, 12590127, 13353165, 13989030, 16023798, 16320535, 19584642, 20983545, 25180254, 26706330, 29376963, 32641070, 40059495, 41967090, 48961605, 58753926, 62950635, 80118990, 88130889, 97923210, 125901270, 146884815, 176261778, 293769630, 440654445, 881308890]

約数ペア:

[(1, 881308890), (2, 440654445), (3, 293769630), (5, 176261778), (6, 146884815), (7, 125901270), (9, 97923210), (10, 88130889), (11, 80118990), (14, 62950635), (15, 58753926), (18, 48961605), (21, 41967090), (22, 40059495), (27, 32641070), (30, 29376963), (33, 26706330), (35, 25180254), (42, 20983545), (45, 19584642), (54, 16320535), (55, 16023798), (63, 13989030), (66, 13353165), (70, 12590127), (77, 11445570), (90, 9792321), (99, 8902110), (105, 8393418), (110, 8011899), (126, 6994515), (135, 6528214), (154, 5722785), (165, 5341266), (189, 4663010), (198, 4451055), (210, 4196709), (231, 3815190), (270, 3264107), (297, 2967370), (315, 2797806), (330, 2670633), (378, 2331505), (385, 2289114), (462, 1907595), (495, 1780422), (594, 1483685), (630, 1398903), (693, 1271730), (770, 1144557), (945, 932602), (990, 890211), (1155, 763038), (1386, 635865), (1485, 593474), (1890, 466301), (2079, 423910), (2310, 381519), (2970, 296737), (3465, 254346), (4158, 211955), (6930, 127173), (10395, 84782), (20790, 42391)]