8218980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{593}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 31135104

約数和(自身を除く): 22916124

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, 593, 630, 660, 693, 770, 924, 990, 1155, 1186, 1260, 1386, 1540, 1779, 1980, 2310, 2372, 2772, 2965, 3465, 3558, 4151, 4620, 5337, 5930, 6523, 6930, 7116, 8302, 8895, 10674, 11860, 12453, 13046, 13860, 16604, 17790, 19569, 20755, 21348, 24906, 26092, 26685, 32615, 35580, 37359, 39138, 41510, 45661, 49812, 53370, 58707, 62265, 65230, 74718, 78276, 83020, 91322, 97845, 106740, 117414, 124530, 130460, 136983, 149436, 182644, 186795, 195690, 228305, 234828, 249060, 273966, 293535, 373590, 391380, 410949, 456610, 547932, 587070, 684915, 747180, 821898, 913220, 1174140, 1369830, 1643796, 2054745, 2739660, 4109490, 8218980]

約数ペア:

[(1, 8218980), (2, 4109490), (3, 2739660), (4, 2054745), (5, 1643796), (6, 1369830), (7, 1174140), (9, 913220), (10, 821898), (11, 747180), (12, 684915), (14, 587070), (15, 547932), (18, 456610), (20, 410949), (21, 391380), (22, 373590), (28, 293535), (30, 273966), (33, 249060), (35, 234828), (36, 228305), (42, 195690), (44, 186795), (45, 182644), (55, 149436), (60, 136983), (63, 130460), (66, 124530), (70, 117414), (77, 106740), (84, 97845), (90, 91322), (99, 83020), (105, 78276), (110, 74718), (126, 65230), (132, 62265), (140, 58707), (154, 53370), (165, 49812), (180, 45661), (198, 41510), (210, 39138), (220, 37359), (231, 35580), (252, 32615), (308, 26685), (315, 26092), (330, 24906), (385, 21348), (396, 20755), (420, 19569), (462, 17790), (495, 16604), (593, 13860), (630, 13046), (660, 12453), (693, 11860), (770, 10674), (924, 8895), (990, 8302), (1155, 7116), (1186, 6930), (1260, 6523), (1386, 5930), (1540, 5337), (1779, 4620), (1980, 4151), (2310, 3558), (2372, 3465), (2772, 2965)]