About the Number

123631380

123631379 ← → 123631381

2進数表記:111010111100111011100010100

漢数字表記:一億二千三百六十三万千三百八十

素因数分解:

2 2 × 3 3 × 5 1 × 283 1 × 809 1

素因数の和:1110
約数の個数: 96
約数和(自身を含む): 386467200
約数和(自身を除く): 262835820

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 283, 540, 566, 809, 849, 1132, 1415, 1618, 1698, 2427, 2547, 2830, 3236, 3396, 4045, 4245, 4854, 5094, 5660, 7281, 7641, 8090, 8490, 9708, 10188, 12135, 12735, 14562, 15282, 16180, 16980, 21843, 24270, 25470, 29124, 30564, 36405, 38205, 43686, 48540, 50940, 72810, 76410, 87372, 109215, 145620, 152820, 218430, 228947, 436860, 457894, 686841, 915788, 1144735, 1373682, 2060523, 2289470, 2747364, 3434205, 4121046, 4578940, 6181569, 6868410, 8242092, 10302615, 12363138, 13736820, 20605230, 24726276, 30907845, 41210460, 61815690, 123631380]

約数ペア:
[(1, 123631380), (2, 61815690), (3, 41210460), (4, 30907845), (5, 24726276), (6, 20605230), (9, 13736820), (10, 12363138), (12, 10302615), (15, 8242092), (18, 6868410), (20, 6181569), (27, 4578940), (30, 4121046), (36, 3434205), (45, 2747364), (54, 2289470), (60, 2060523), (90, 1373682), (108, 1144735), (135, 915788), (180, 686841), (270, 457894), (283, 436860), (540, 228947), (566, 218430), (809, 152820), (849, 145620), (1132, 109215), (1415, 87372), (1618, 76410), (1698, 72810), (2427, 50940), (2547, 48540), (2830, 43686), (3236, 38205), (3396, 36405), (4045, 30564), (4245, 29124), (4854, 25470), (5094, 24270), (5660, 21843), (7281, 16980), (7641, 16180), (8090, 15282), (8490, 14562), (9708, 12735), (10188, 12135)]

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