About the Number

121087620

121087619 ← → 121087621

2進数表記:111001101111010011010000100

漢数字表記:一億二千百八万七千六百二十

素因数分解:

2 2 × 3 2 × 5 1 × 107 1 × 6287 1

素因数の和:6409
約数の個数: 72
約数和(自身を含む): 370790784
約数和(自身を除く): 249703164

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4815, 6287, 6420, 9630, 12574, 18861, 19260, 25148, 31435, 37722, 56583, 62870, 75444, 94305, 113166, 125740, 188610, 226332, 282915, 377220, 565830, 672709, 1131660, 1345418, 2018127, 2690836, 3363545, 4036254, 6054381, 6727090, 8072508, 10090635, 12108762, 13454180, 20181270, 24217524, 30271905, 40362540, 60543810, 121087620]

約数ペア:
[(1, 121087620), (2, 60543810), (3, 40362540), (4, 30271905), (5, 24217524), (6, 20181270), (9, 13454180), (10, 12108762), (12, 10090635), (15, 8072508), (18, 6727090), (20, 6054381), (30, 4036254), (36, 3363545), (45, 2690836), (60, 2018127), (90, 1345418), (107, 1131660), (180, 672709), (214, 565830), (321, 377220), (428, 282915), (535, 226332), (642, 188610), (963, 125740), (1070, 113166), (1284, 94305), (1605, 75444), (1926, 62870), (2140, 56583), (3210, 37722), (3852, 31435), (4815, 25148), (6287, 19260), (6420, 18861), (9630, 12574)]

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