13281653640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{22741}}^1$

素因数の和:22943

約数の個数: 128

約数和(自身を含む): 41394078720

約数和(自身を除く): 28112425080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 157, 186, 248, 310, 314, 372, 465, 471, 620, 628, 744, 785, 930, 942, 1240, 1256, 1570, 1860, 1884, 2355, 3140, 3720, 3768, 4710, 4867, 6280, 9420, 9734, 14601, 18840, 19468, 22741, 24335, 29202, 38936, 45482, 48670, 58404, 68223, 73005, 90964, 97340, 113705, 116808, 136446, 146010, 181928, 194680, 227410, 272892, 292020, 341115, 454820, 545784, 584040, 682230, 704971, 909640, 1364460, 1409942, 2114913, 2728920, 2819884, 3524855, 3570337, 4229826, 5639768, 7049710, 7140674, 8459652, 10574565, 10711011, 14099420, 14281348, 16919304, 17851685, 21149130, 21422022, 28198840, 28562696, 35703370, 42298260, 42844044, 53555055, 71406740, 84596520, 85688088, 107110110, 110680447, 142813480, 214220220, 221360894, 332041341, 428440440, 442721788, 553402235, 664082682, 885443576, 1106804470, 1328165364, 1660206705, 2213608940, 2656330728, 3320413410, 4427217880, 6640826820, 13281653640]

約数ペア:

[(1, 13281653640), (2, 6640826820), (3, 4427217880), (4, 3320413410), (5, 2656330728), (6, 2213608940), (8, 1660206705), (10, 1328165364), (12, 1106804470), (15, 885443576), (20, 664082682), (24, 553402235), (30, 442721788), (31, 428440440), (40, 332041341), (60, 221360894), (62, 214220220), (93, 142813480), (120, 110680447), (124, 107110110), (155, 85688088), (157, 84596520), (186, 71406740), (248, 53555055), (310, 42844044), (314, 42298260), (372, 35703370), (465, 28562696), (471, 28198840), (620, 21422022), (628, 21149130), (744, 17851685), (785, 16919304), (930, 14281348), (942, 14099420), (1240, 10711011), (1256, 10574565), (1570, 8459652), (1860, 7140674), (1884, 7049710), (2355, 5639768), (3140, 4229826), (3720, 3570337), (3768, 3524855), (4710, 2819884), (4867, 2728920), (6280, 2114913), (9420, 1409942), (9734, 1364460), (14601, 909640), (18840, 704971), (19468, 682230), (22741, 584040), (24335, 545784), (29202, 454820), (38936, 341115), (45482, 292020), (48670, 272892), (58404, 227410), (68223, 194680), (73005, 181928), (90964, 146010), (97340, 136446), (113705, 116808)]