420276360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1019}}^1$

素因数の和:1531

約数の個数: 128

約数和(自身を含む): 1445299200

約数和(自身を除く): 1025022840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 491, 840, 982, 1019, 1473, 1964, 2038, 2455, 2946, 3057, 3437, 3928, 4076, 4910, 5095, 5892, 6114, 6874, 7133, 7365, 8152, 9820, 10190, 10311, 11784, 12228, 13748, 14266, 14730, 15285, 17185, 19640, 20380, 20622, 21399, 24456, 27496, 28532, 29460, 30570, 34370, 35665, 40760, 41244, 42798, 51555, 57064, 58920, 61140, 68740, 71330, 82488, 85596, 103110, 106995, 122280, 137480, 142660, 171192, 206220, 213990, 285320, 412440, 427980, 500329, 855960, 1000658, 1500987, 2001316, 2501645, 3001974, 3502303, 4002632, 5003290, 6003948, 7004606, 7504935, 10006580, 10506909, 12007896, 14009212, 15009870, 17511515, 20013160, 21013818, 28018424, 30019740, 35023030, 42027636, 52534545, 60039480, 70046060, 84055272, 105069090, 140092120, 210138180, 420276360]

約数ペア:

[(1, 420276360), (2, 210138180), (3, 140092120), (4, 105069090), (5, 84055272), (6, 70046060), (7, 60039480), (8, 52534545), (10, 42027636), (12, 35023030), (14, 30019740), (15, 28018424), (20, 21013818), (21, 20013160), (24, 17511515), (28, 15009870), (30, 14009212), (35, 12007896), (40, 10506909), (42, 10006580), (56, 7504935), (60, 7004606), (70, 6003948), (84, 5003290), (105, 4002632), (120, 3502303), (140, 3001974), (168, 2501645), (210, 2001316), (280, 1500987), (420, 1000658), (491, 855960), (840, 500329), (982, 427980), (1019, 412440), (1473, 285320), (1964, 213990), (2038, 206220), (2455, 171192), (2946, 142660), (3057, 137480), (3437, 122280), (3928, 106995), (4076, 103110), (4910, 85596), (5095, 82488), (5892, 71330), (6114, 68740), (6874, 61140), (7133, 58920), (7365, 57064), (8152, 51555), (9820, 42798), (10190, 41244), (10311, 40760), (11784, 35665), (12228, 34370), (13748, 30570), (14266, 29460), (14730, 28532), (15285, 27496), (17185, 24456), (19640, 21399), (20380, 20622)]