About the Number

172288620

172288619 ← → 172288621

2進数表記:1010010001001110101001101100

漢数字表記:一億七千二百二十八万八千六百二十

素因数分解:

2 2 × 3 4 × 5 1 × 7 1 × 15193 1

素因数の和:15221
約数の個数: 120
約数和(自身を含む): 617727264
約数和(自身を除く): 445438644

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 15193, 30386, 45579, 60772, 75965, 91158, 106351, 136737, 151930, 182316, 212702, 227895, 273474, 303860, 319053, 410211, 425404, 455790, 531755, 546948, 638106, 683685, 820422, 911580, 957159, 1063510, 1230633, 1276212, 1367370, 1595265, 1640844, 1914318, 2051055, 2127020, 2461266, 2734740, 2871477, 3190530, 3828636, 4102110, 4785795, 4922532, 5742954, 6153165, 6381060, 8204220, 8614431, 9571590, 11485908, 12306330, 14357385, 17228862, 19143180, 24612660, 28714770, 34457724, 43072155, 57429540, 86144310, 172288620]

約数ペア:
[(1, 172288620), (2, 86144310), (3, 57429540), (4, 43072155), (5, 34457724), (6, 28714770), (7, 24612660), (9, 19143180), (10, 17228862), (12, 14357385), (14, 12306330), (15, 11485908), (18, 9571590), (20, 8614431), (21, 8204220), (27, 6381060), (28, 6153165), (30, 5742954), (35, 4922532), (36, 4785795), (42, 4102110), (45, 3828636), (54, 3190530), (60, 2871477), (63, 2734740), (70, 2461266), (81, 2127020), (84, 2051055), (90, 1914318), (105, 1640844), (108, 1595265), (126, 1367370), (135, 1276212), (140, 1230633), (162, 1063510), (180, 957159), (189, 911580), (210, 820422), (252, 683685), (270, 638106), (315, 546948), (324, 531755), (378, 455790), (405, 425404), (420, 410211), (540, 319053), (567, 303860), (630, 273474), (756, 227895), (810, 212702), (945, 182316), (1134, 151930), (1260, 136737), (1620, 106351), (1890, 91158), (2268, 75965), (2835, 60772), (3780, 45579), (5670, 30386), (11340, 15193)]

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