123048680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 288593280

約数和(自身を除く): 165544600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 1171, 1420, 1480, 2342, 2627, 2840, 4684, 5254, 5855, 9368, 10508, 11710, 13135, 21016, 23420, 26270, 43327, 46840, 52540, 83141, 86654, 105080, 166282, 173308, 216635, 332564, 346616, 415705, 433270, 665128, 831410, 866540, 1662820, 1733080, 3076217, 3325640, 6152434, 12304868, 15381085, 24609736, 30762170, 61524340, 123048680]

約数ペア:

[(1, 123048680), (2, 61524340), (4, 30762170), (5, 24609736), (8, 15381085), (10, 12304868), (20, 6152434), (37, 3325640), (40, 3076217), (71, 1733080), (74, 1662820), (142, 866540), (148, 831410), (185, 665128), (284, 433270), (296, 415705), (355, 346616), (370, 332564), (568, 216635), (710, 173308), (740, 166282), (1171, 105080), (1420, 86654), (1480, 83141), (2342, 52540), (2627, 46840), (2840, 43327), (4684, 26270), (5254, 23420), (5855, 21016), (9368, 13135), (10508, 11710)]