About the Number

129001920

129001919 ← → 129001921

2進数表記:111101100000110100111000000

漢数字表記:一億二千九百万千九百二十

素因数分解:

2 6 × 3 1 × 5 1 × 83 1 × 1619 1

素因数の和:1722
約数の個数: 112
約数和(自身を含む): 414771840
約数和(自身を除く): 285769920

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 160, 166, 192, 240, 249, 320, 332, 415, 480, 498, 664, 830, 960, 996, 1245, 1328, 1619, 1660, 1992, 2490, 2656, 3238, 3320, 3984, 4857, 4980, 5312, 6476, 6640, 7968, 8095, 9714, 9960, 12952, 13280, 15936, 16190, 19428, 19920, 24285, 25904, 26560, 32380, 38856, 39840, 48570, 51808, 64760, 77712, 79680, 97140, 103616, 129520, 134377, 155424, 194280, 259040, 268754, 310848, 388560, 403131, 518080, 537508, 671885, 777120, 806262, 1075016, 1343770, 1554240, 1612524, 2015655, 2150032, 2687540, 3225048, 4031310, 4300064, 5375080, 6450096, 8062620, 8600128, 10750160, 12900192, 16125240, 21500320, 25800384, 32250480, 43000640, 64500960, 129001920]

約数ペア:
[(1, 129001920), (2, 64500960), (3, 43000640), (4, 32250480), (5, 25800384), (6, 21500320), (8, 16125240), (10, 12900192), (12, 10750160), (15, 8600128), (16, 8062620), (20, 6450096), (24, 5375080), (30, 4300064), (32, 4031310), (40, 3225048), (48, 2687540), (60, 2150032), (64, 2015655), (80, 1612524), (83, 1554240), (96, 1343770), (120, 1075016), (160, 806262), (166, 777120), (192, 671885), (240, 537508), (249, 518080), (320, 403131), (332, 388560), (415, 310848), (480, 268754), (498, 259040), (664, 194280), (830, 155424), (960, 134377), (996, 129520), (1245, 103616), (1328, 97140), (1619, 79680), (1660, 77712), (1992, 64760), (2490, 51808), (2656, 48570), (3238, 39840), (3320, 38856), (3984, 32380), (4857, 26560), (4980, 25904), (5312, 24285), (6476, 19920), (6640, 19428), (7968, 16190), (8095, 15936), (9714, 13280), (9960, 12952)]

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