About the Number

117808640

117808639 ← → 117808641

2進数表記:111000001011001111000000000

漢数字表記:一億千七百八十万八千六百四十

素因数分解:

2 9 × 5 1 × 17 1 × 2707 1

素因数の和:2747
約数の個数: 80
約数和(自身を含む): 299190672
約数和(自身を除く): 181382032

約数列:
[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2707, 2720, 4352, 5414, 5440, 8704, 10828, 10880, 13535, 21656, 21760, 27070, 43312, 43520, 46019, 54140, 86624, 92038, 108280, 173248, 184076, 216560, 230095, 346496, 368152, 433120, 460190, 692992, 736304, 866240, 920380, 1385984, 1472608, 1732480, 1840760, 2945216, 3464960, 3681520, 5890432, 6929920, 7363040, 11780864, 14726080, 23561728, 29452160, 58904320, 117808640]

約数ペア:
[(1, 117808640), (2, 58904320), (4, 29452160), (5, 23561728), (8, 14726080), (10, 11780864), (16, 7363040), (17, 6929920), (20, 5890432), (32, 3681520), (34, 3464960), (40, 2945216), (64, 1840760), (68, 1732480), (80, 1472608), (85, 1385984), (128, 920380), (136, 866240), (160, 736304), (170, 692992), (256, 460190), (272, 433120), (320, 368152), (340, 346496), (512, 230095), (544, 216560), (640, 184076), (680, 173248), (1088, 108280), (1280, 92038), (1360, 86624), (2176, 54140), (2560, 46019), (2707, 43520), (2720, 43312), (4352, 27070), (5414, 21760), (5440, 21656), (8704, 13535), (10828, 10880)]

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