About the Number

130278780

130278779 ← → 130278781

2進数表記:111110000111110010101111100

漢数字表記:一億三千二十七万八千七百八十

素因数分解:

2 2 × 3 4 × 5 1 × 137 1 × 587 1

素因数の和:745
約数の個数: 120
約数和(自身を含む): 412373808
約数和(自身を除く): 282095028

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 137, 162, 180, 270, 274, 324, 405, 411, 540, 548, 587, 685, 810, 822, 1174, 1233, 1370, 1620, 1644, 1761, 2055, 2348, 2466, 2740, 2935, 3522, 3699, 4110, 4932, 5283, 5870, 6165, 7044, 7398, 8220, 8805, 10566, 11097, 11740, 12330, 14796, 15849, 17610, 18495, 21132, 22194, 24660, 26415, 31698, 35220, 36990, 44388, 47547, 52830, 55485, 63396, 73980, 79245, 80419, 95094, 105660, 110970, 158490, 160838, 190188, 221940, 237735, 241257, 316980, 321676, 402095, 475470, 482514, 723771, 804190, 950940, 965028, 1206285, 1447542, 1608380, 2171313, 2412570, 2895084, 3618855, 4342626, 4825140, 6513939, 7237710, 8685252, 10856565, 13027878, 14475420, 21713130, 26055756, 32569695, 43426260, 65139390, 130278780]

約数ペア:
[(1, 130278780), (2, 65139390), (3, 43426260), (4, 32569695), (5, 26055756), (6, 21713130), (9, 14475420), (10, 13027878), (12, 10856565), (15, 8685252), (18, 7237710), (20, 6513939), (27, 4825140), (30, 4342626), (36, 3618855), (45, 2895084), (54, 2412570), (60, 2171313), (81, 1608380), (90, 1447542), (108, 1206285), (135, 965028), (137, 950940), (162, 804190), (180, 723771), (270, 482514), (274, 475470), (324, 402095), (405, 321676), (411, 316980), (540, 241257), (548, 237735), (587, 221940), (685, 190188), (810, 160838), (822, 158490), (1174, 110970), (1233, 105660), (1370, 95094), (1620, 80419), (1644, 79245), (1761, 73980), (2055, 63396), (2348, 55485), (2466, 52830), (2740, 47547), (2935, 44388), (3522, 36990), (3699, 35220), (4110, 31698), (4932, 26415), (5283, 24660), (5870, 22194), (6165, 21132), (7044, 18495), (7398, 17610), (8220, 15849), (8805, 14796), (10566, 12330), (11097, 11740)]

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