42156030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1233

約数の個数: 64

約数和(自身を含む): 116328960

約数和(自身を除く): 74172930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 197, 210, 394, 591, 985, 1019, 1182, 1379, 1970, 2038, 2758, 2955, 3057, 4137, 5095, 5910, 6114, 6895, 7133, 8274, 10190, 13790, 14266, 15285, 20685, 21399, 30570, 35665, 41370, 42798, 71330, 106995, 200743, 213990, 401486, 602229, 1003715, 1204458, 1405201, 2007430, 2810402, 3011145, 4215603, 6022290, 7026005, 8431206, 14052010, 21078015, 42156030]

約数ペア:

[(1, 42156030), (2, 21078015), (3, 14052010), (5, 8431206), (6, 7026005), (7, 6022290), (10, 4215603), (14, 3011145), (15, 2810402), (21, 2007430), (30, 1405201), (35, 1204458), (42, 1003715), (70, 602229), (105, 401486), (197, 213990), (210, 200743), (394, 106995), (591, 71330), (985, 42798), (1019, 41370), (1182, 35665), (1379, 30570), (1970, 21399), (2038, 20685), (2758, 15285), (2955, 14266), (3057, 13790), (4137, 10190), (5095, 8274), (5910, 7133), (6114, 6895)]