20176470480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{102149}}^1$

素因数の和:102988

約数の個数: 80

約数和(自身を含む): 62623670400

約数和(自身を除く): 42447199920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 823, 1646, 2469, 3292, 4115, 4938, 6584, 8230, 9876, 12345, 13168, 16460, 19752, 24690, 32920, 39504, 49380, 65840, 98760, 102149, 197520, 204298, 306447, 408596, 510745, 612894, 817192, 1021490, 1225788, 1532235, 1634384, 2042980, 2451576, 3064470, 4085960, 4903152, 6128940, 8171920, 12257880, 24515760, 84068627, 168137254, 252205881, 336274508, 420343135, 504411762, 672549016, 840686270, 1008823524, 1261029405, 1345098032, 1681372540, 2017647048, 2522058810, 3362745080, 4035294096, 5044117620, 6725490160, 10088235240, 20176470480]

約数ペア:

[(1, 20176470480), (2, 10088235240), (3, 6725490160), (4, 5044117620), (5, 4035294096), (6, 3362745080), (8, 2522058810), (10, 2017647048), (12, 1681372540), (15, 1345098032), (16, 1261029405), (20, 1008823524), (24, 840686270), (30, 672549016), (40, 504411762), (48, 420343135), (60, 336274508), (80, 252205881), (120, 168137254), (240, 84068627), (823, 24515760), (1646, 12257880), (2469, 8171920), (3292, 6128940), (4115, 4903152), (4938, 4085960), (6584, 3064470), (8230, 2451576), (9876, 2042980), (12345, 1634384), (13168, 1532235), (16460, 1225788), (19752, 1021490), (24690, 817192), (32920, 612894), (39504, 510745), (49380, 408596), (65840, 306447), (98760, 204298), (102149, 197520)]