About the Number

42748720

42748719 ← → 42748721

2進数表記:10100011000100101100110000

漢数字表記:四千二百七十四万八千七百二十

素因数分解:

2 4 × 5 1 × 7 1 × 23 1 × 3319 1

素因数の和:3362
約数の個数: 80
約数和(自身を含む): 118563840
約数和(自身を除く): 75815120

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 3319, 6440, 6638, 12880, 13276, 16595, 23233, 26552, 33190, 46466, 53104, 66380, 76337, 92932, 116165, 132760, 152674, 185864, 232330, 265520, 305348, 371728, 381685, 464660, 534359, 610696, 763370, 929320, 1068718, 1221392, 1526740, 1858640, 2137436, 2671795, 3053480, 4274872, 5343590, 6106960, 8549744, 10687180, 21374360, 42748720]

約数ペア:
[(1, 42748720), (2, 21374360), (4, 10687180), (5, 8549744), (7, 6106960), (8, 5343590), (10, 4274872), (14, 3053480), (16, 2671795), (20, 2137436), (23, 1858640), (28, 1526740), (35, 1221392), (40, 1068718), (46, 929320), (56, 763370), (70, 610696), (80, 534359), (92, 464660), (112, 381685), (115, 371728), (140, 305348), (161, 265520), (184, 232330), (230, 185864), (280, 152674), (322, 132760), (368, 116165), (460, 92932), (560, 76337), (644, 66380), (805, 53104), (920, 46466), (1288, 33190), (1610, 26552), (1840, 23233), (2576, 16595), (3220, 13276), (3319, 12880), (6440, 6638)]

このpageの処理時間: 0.010040044784545898 seconds