About the Number

121609920

121609919 ← → 121609921

2進数表記:111001111111001111011000000

漢数字表記:一億二千百六十万九千九百二十

素因数分解:

2 6 × 3 1 × 5 1 × 131 1 × 967 1

素因数の和:1118
約数の個数: 112
約数和(自身を含む): 389461248
約数和(自身を除く): 267851328

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 131, 160, 192, 240, 262, 320, 393, 480, 524, 655, 786, 960, 967, 1048, 1310, 1572, 1934, 1965, 2096, 2620, 2901, 3144, 3868, 3930, 4192, 4835, 5240, 5802, 6288, 7736, 7860, 8384, 9670, 10480, 11604, 12576, 14505, 15472, 15720, 19340, 20960, 23208, 25152, 29010, 30944, 31440, 38680, 41920, 46416, 58020, 61888, 62880, 77360, 92832, 116040, 125760, 126677, 154720, 185664, 232080, 253354, 309440, 380031, 464160, 506708, 633385, 760062, 928320, 1013416, 1266770, 1520124, 1900155, 2026832, 2533540, 3040248, 3800310, 4053664, 5067080, 6080496, 7600620, 8107328, 10134160, 12160992, 15201240, 20268320, 24321984, 30402480, 40536640, 60804960, 121609920]

約数ペア:
[(1, 121609920), (2, 60804960), (3, 40536640), (4, 30402480), (5, 24321984), (6, 20268320), (8, 15201240), (10, 12160992), (12, 10134160), (15, 8107328), (16, 7600620), (20, 6080496), (24, 5067080), (30, 4053664), (32, 3800310), (40, 3040248), (48, 2533540), (60, 2026832), (64, 1900155), (80, 1520124), (96, 1266770), (120, 1013416), (131, 928320), (160, 760062), (192, 633385), (240, 506708), (262, 464160), (320, 380031), (393, 309440), (480, 253354), (524, 232080), (655, 185664), (786, 154720), (960, 126677), (967, 125760), (1048, 116040), (1310, 92832), (1572, 77360), (1934, 62880), (1965, 61888), (2096, 58020), (2620, 46416), (2901, 41920), (3144, 38680), (3868, 31440), (3930, 30944), (4192, 29010), (4835, 25152), (5240, 23208), (5802, 20960), (6288, 19340), (7736, 15720), (7860, 15472), (8384, 14505), (9670, 12576), (10480, 11604)]

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