639652920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 1955923200

約数和(自身を除く): 1316270280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 179, 194, 291, 307, 358, 388, 485, 537, 582, 614, 716, 776, 895, 921, 970, 1074, 1164, 1228, 1432, 1455, 1535, 1790, 1842, 1940, 2148, 2328, 2456, 2685, 2910, 3070, 3580, 3684, 3880, 4296, 4605, 5370, 5820, 6140, 7160, 7368, 9210, 10740, 11640, 12280, 17363, 18420, 21480, 29779, 34726, 36840, 52089, 54953, 59558, 69452, 86815, 89337, 104178, 109906, 119116, 138904, 148895, 164859, 173630, 178674, 208356, 219812, 238232, 260445, 274765, 297790, 329718, 347260, 357348, 416712, 439624, 446685, 520890, 549530, 595580, 659436, 694520, 714696, 824295, 893370, 1041780, 1099060, 1191160, 1318872, 1648590, 1786740, 2083560, 2198120, 3297180, 3573480, 5330441, 6594360, 10660882, 15991323, 21321764, 26652205, 31982646, 42643528, 53304410, 63965292, 79956615, 106608820, 127930584, 159913230, 213217640, 319826460, 639652920]

約数ペア:

[(1, 639652920), (2, 319826460), (3, 213217640), (4, 159913230), (5, 127930584), (6, 106608820), (8, 79956615), (10, 63965292), (12, 53304410), (15, 42643528), (20, 31982646), (24, 26652205), (30, 21321764), (40, 15991323), (60, 10660882), (97, 6594360), (120, 5330441), (179, 3573480), (194, 3297180), (291, 2198120), (307, 2083560), (358, 1786740), (388, 1648590), (485, 1318872), (537, 1191160), (582, 1099060), (614, 1041780), (716, 893370), (776, 824295), (895, 714696), (921, 694520), (970, 659436), (1074, 595580), (1164, 549530), (1228, 520890), (1432, 446685), (1455, 439624), (1535, 416712), (1790, 357348), (1842, 347260), (1940, 329718), (2148, 297790), (2328, 274765), (2456, 260445), (2685, 238232), (2910, 219812), (3070, 208356), (3580, 178674), (3684, 173630), (3880, 164859), (4296, 148895), (4605, 138904), (5370, 119116), (5820, 109906), (6140, 104178), (7160, 89337), (7368, 86815), (9210, 69452), (10740, 59558), (11640, 54953), (12280, 52089), (17363, 36840), (18420, 34726), (21480, 29779)]