About the Number

121521440

121521439 ← → 121521441

2進数表記:111001111100100010100100000

漢数字表記:一億二千百五十二万千四百四十

素因数分解:

2 5 × 5 1 × 17 1 × 43 1 × 1039 1

素因数の和:1114
約数の個数: 96
約数和(自身を含む): 311351040
約数和(自身を除く): 189829600

約数列:
[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 80, 85, 86, 136, 160, 170, 172, 215, 272, 340, 344, 430, 544, 680, 688, 731, 860, 1039, 1360, 1376, 1462, 1720, 2078, 2720, 2924, 3440, 3655, 4156, 5195, 5848, 6880, 7310, 8312, 10390, 11696, 14620, 16624, 17663, 20780, 23392, 29240, 33248, 35326, 41560, 44677, 58480, 70652, 83120, 88315, 89354, 116960, 141304, 166240, 176630, 178708, 223385, 282608, 353260, 357416, 446770, 565216, 706520, 714832, 759509, 893540, 1413040, 1429664, 1519018, 1787080, 2826080, 3038036, 3574160, 3797545, 6076072, 7148320, 7595090, 12152144, 15190180, 24304288, 30380360, 60760720, 121521440]

約数ペア:
[(1, 121521440), (2, 60760720), (4, 30380360), (5, 24304288), (8, 15190180), (10, 12152144), (16, 7595090), (17, 7148320), (20, 6076072), (32, 3797545), (34, 3574160), (40, 3038036), (43, 2826080), (68, 1787080), (80, 1519018), (85, 1429664), (86, 1413040), (136, 893540), (160, 759509), (170, 714832), (172, 706520), (215, 565216), (272, 446770), (340, 357416), (344, 353260), (430, 282608), (544, 223385), (680, 178708), (688, 176630), (731, 166240), (860, 141304), (1039, 116960), (1360, 89354), (1376, 88315), (1462, 83120), (1720, 70652), (2078, 58480), (2720, 44677), (2924, 41560), (3440, 35326), (3655, 33248), (4156, 29240), (5195, 23392), (5848, 20780), (6880, 17663), (7310, 16624), (8312, 14620), (10390, 11696)]

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