About the Number

128730810

128730809 ← → 128730811

2進数表記:111101011000100011010111010

漢数字表記:一億二千八百七十三万八百十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 71 1 × 4649 1

素因数の和:4743
約数の個数: 64
約数和(自身を含む): 337478400
約数和(自身を除く): 208747590

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 923, 1065, 1846, 2130, 2769, 4615, 4649, 5538, 9230, 9298, 13845, 13947, 23245, 27690, 27894, 46490, 60437, 69735, 120874, 139470, 181311, 302185, 330079, 362622, 604370, 660158, 906555, 990237, 1650395, 1813110, 1980474, 3300790, 4291027, 4951185, 8582054, 9902370, 12873081, 21455135, 25746162, 42910270, 64365405, 128730810]

約数ペア:
[(1, 128730810), (2, 64365405), (3, 42910270), (5, 25746162), (6, 21455135), (10, 12873081), (13, 9902370), (15, 8582054), (26, 4951185), (30, 4291027), (39, 3300790), (65, 1980474), (71, 1813110), (78, 1650395), (130, 990237), (142, 906555), (195, 660158), (213, 604370), (355, 362622), (390, 330079), (426, 302185), (710, 181311), (923, 139470), (1065, 120874), (1846, 69735), (2130, 60437), (2769, 46490), (4615, 27894), (4649, 27690), (5538, 23245), (9230, 13947), (9298, 13845)]

このpageの処理時間: 0.006603717803955078 seconds