2155165640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{2399}}^1$

素因数の和:3054

約数の個数: 64

約数和(自身を含む): 4990464000

約数和(自身を除く): 2835298360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 607, 740, 1214, 1480, 2399, 2428, 3035, 4798, 4856, 6070, 9596, 11995, 12140, 19192, 22459, 23990, 24280, 44918, 47980, 88763, 89836, 95960, 112295, 177526, 179672, 224590, 355052, 443815, 449180, 710104, 887630, 898360, 1456193, 1775260, 2912386, 3550520, 5824772, 7280965, 11649544, 14561930, 29123860, 53879141, 58247720, 107758282, 215516564, 269395705, 431033128, 538791410, 1077582820, 2155165640]

約数ペア:

[(1, 2155165640), (2, 1077582820), (4, 538791410), (5, 431033128), (8, 269395705), (10, 215516564), (20, 107758282), (37, 58247720), (40, 53879141), (74, 29123860), (148, 14561930), (185, 11649544), (296, 7280965), (370, 5824772), (607, 3550520), (740, 2912386), (1214, 1775260), (1480, 1456193), (2399, 898360), (2428, 887630), (3035, 710104), (4798, 449180), (4856, 443815), (6070, 355052), (9596, 224590), (11995, 179672), (12140, 177526), (19192, 112295), (22459, 95960), (23990, 89836), (24280, 88763), (44918, 47980)]