209521560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 654888960

約数和(自身を除く): 445367400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 151, 155, 186, 248, 302, 310, 372, 373, 453, 465, 604, 620, 744, 746, 755, 906, 930, 1119, 1208, 1240, 1492, 1510, 1812, 1860, 1865, 2238, 2265, 2984, 3020, 3624, 3720, 3730, 4476, 4530, 4681, 5595, 6040, 7460, 8952, 9060, 9362, 11190, 11563, 14043, 14920, 18120, 18724, 22380, 23126, 23405, 28086, 34689, 37448, 44760, 46252, 46810, 56172, 56323, 57815, 69378, 70215, 92504, 93620, 112344, 112646, 115630, 138756, 140430, 168969, 173445, 187240, 225292, 231260, 277512, 280860, 281615, 337938, 346890, 450584, 462520, 561720, 563230, 675876, 693780, 844845, 1126460, 1351752, 1387560, 1689690, 1746013, 2252920, 3379380, 3492026, 5238039, 6758760, 6984052, 8730065, 10476078, 13968104, 17460130, 20952156, 26190195, 34920260, 41904312, 52380390, 69840520, 104760780, 209521560]

約数ペア:

[(1, 209521560), (2, 104760780), (3, 69840520), (4, 52380390), (5, 41904312), (6, 34920260), (8, 26190195), (10, 20952156), (12, 17460130), (15, 13968104), (20, 10476078), (24, 8730065), (30, 6984052), (31, 6758760), (40, 5238039), (60, 3492026), (62, 3379380), (93, 2252920), (120, 1746013), (124, 1689690), (151, 1387560), (155, 1351752), (186, 1126460), (248, 844845), (302, 693780), (310, 675876), (372, 563230), (373, 561720), (453, 462520), (465, 450584), (604, 346890), (620, 337938), (744, 281615), (746, 280860), (755, 277512), (906, 231260), (930, 225292), (1119, 187240), (1208, 173445), (1240, 168969), (1492, 140430), (1510, 138756), (1812, 115630), (1860, 112646), (1865, 112344), (2238, 93620), (2265, 92504), (2984, 70215), (3020, 69378), (3624, 57815), (3720, 56323), (3730, 56172), (4476, 46810), (4530, 46252), (4681, 44760), (5595, 37448), (6040, 34689), (7460, 28086), (8952, 23405), (9060, 23126), (9362, 22380), (11190, 18724), (11563, 18120), (14043, 14920)]