31090440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2671}}^1$

素因数の和:2782

約数の個数: 64

約数和(自身を含む): 94268160

約数和(自身を除く): 63177720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2671, 2910, 3880, 5342, 5820, 8013, 10684, 11640, 13355, 16026, 21368, 26710, 32052, 40065, 53420, 64104, 80130, 106840, 160260, 259087, 320520, 518174, 777261, 1036348, 1295435, 1554522, 2072696, 2590870, 3109044, 3886305, 5181740, 6218088, 7772610, 10363480, 15545220, 31090440]

約数ペア:

[(1, 31090440), (2, 15545220), (3, 10363480), (4, 7772610), (5, 6218088), (6, 5181740), (8, 3886305), (10, 3109044), (12, 2590870), (15, 2072696), (20, 1554522), (24, 1295435), (30, 1036348), (40, 777261), (60, 518174), (97, 320520), (120, 259087), (194, 160260), (291, 106840), (388, 80130), (485, 64104), (582, 53420), (776, 40065), (970, 32052), (1164, 26710), (1455, 21368), (1940, 16026), (2328, 13355), (2671, 11640), (2910, 10684), (3880, 8013), (5342, 5820)]