About the Number

161680380

161680379 ← → 161680381

2進数表記:1001101000110000101111111100

漢数字表記:一億六千百六十八万三百八十

素因数分解:

2 2 × 3 1 × 5 1 × 37 1 × 67 1 × 1087 1

素因数の和:1203
約数の個数: 96
約数和(自身を含む): 472313856
約数和(自身を除く): 310633476

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 67, 74, 111, 134, 148, 185, 201, 222, 268, 335, 370, 402, 444, 555, 670, 740, 804, 1005, 1087, 1110, 1340, 2010, 2174, 2220, 2479, 3261, 4020, 4348, 4958, 5435, 6522, 7437, 9916, 10870, 12395, 13044, 14874, 16305, 21740, 24790, 29748, 32610, 37185, 40219, 49580, 65220, 72829, 74370, 80438, 120657, 145658, 148740, 160876, 201095, 218487, 241314, 291316, 364145, 402190, 436974, 482628, 603285, 728290, 804380, 873948, 1092435, 1206570, 1456580, 2184870, 2413140, 2694673, 4369740, 5389346, 8084019, 10778692, 13473365, 16168038, 26946730, 32336076, 40420095, 53893460, 80840190, 161680380]

約数ペア:
[(1, 161680380), (2, 80840190), (3, 53893460), (4, 40420095), (5, 32336076), (6, 26946730), (10, 16168038), (12, 13473365), (15, 10778692), (20, 8084019), (30, 5389346), (37, 4369740), (60, 2694673), (67, 2413140), (74, 2184870), (111, 1456580), (134, 1206570), (148, 1092435), (185, 873948), (201, 804380), (222, 728290), (268, 603285), (335, 482628), (370, 436974), (402, 402190), (444, 364145), (555, 291316), (670, 241314), (740, 218487), (804, 201095), (1005, 160876), (1087, 148740), (1110, 145658), (1340, 120657), (2010, 80438), (2174, 74370), (2220, 72829), (2479, 65220), (3261, 49580), (4020, 40219), (4348, 37185), (4958, 32610), (5435, 29748), (6522, 24790), (7437, 21740), (9916, 16305), (10870, 14874), (12395, 13044)]

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