About the Number

129138120

129138119 ← → 129138121

2進数表記:111101100100111110111001000

漢数字表記:一億二千九百十三万八千百二十

素因数分解:

2 3 × 3 2 × 5 1 × 17 1 × 21101 1

素因数の和:21135
約数の個数: 96
約数和(自身を含む): 444408120
約数和(自身を除く): 315270000

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 21101, 42202, 63303, 84404, 105505, 126606, 168808, 189909, 211010, 253212, 316515, 358717, 379818, 422020, 506424, 633030, 717434, 759636, 844040, 949545, 1076151, 1266060, 1434868, 1519272, 1793585, 1899090, 2152302, 2532120, 2869736, 3228453, 3587170, 3798180, 4304604, 5380755, 6456906, 7174340, 7596360, 8609208, 10761510, 12913812, 14348680, 16142265, 21523020, 25827624, 32284530, 43046040, 64569060, 129138120]

約数ペア:
[(1, 129138120), (2, 64569060), (3, 43046040), (4, 32284530), (5, 25827624), (6, 21523020), (8, 16142265), (9, 14348680), (10, 12913812), (12, 10761510), (15, 8609208), (17, 7596360), (18, 7174340), (20, 6456906), (24, 5380755), (30, 4304604), (34, 3798180), (36, 3587170), (40, 3228453), (45, 2869736), (51, 2532120), (60, 2152302), (68, 1899090), (72, 1793585), (85, 1519272), (90, 1434868), (102, 1266060), (120, 1076151), (136, 949545), (153, 844040), (170, 759636), (180, 717434), (204, 633030), (255, 506424), (306, 422020), (340, 379818), (360, 358717), (408, 316515), (510, 253212), (612, 211010), (680, 189909), (765, 168808), (1020, 126606), (1224, 105505), (1530, 84404), (2040, 63303), (3060, 42202), (6120, 21101)]

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