About the Number

128700

128699 ← → 128701

2進数表記:11111011010111100

漢数字表記:十二万八千七百

素因数分解:

2 2 × 3 2 × 5 2 × 11 1 × 13 1

素因数の和:44
約数の個数: 108
約数和(自身を含む): 473928
約数和(自身を除く): 345228

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 25, 26, 30, 33, 36, 39, 44, 45, 50, 52, 55, 60, 65, 66, 75, 78, 90, 99, 100, 110, 117, 130, 132, 143, 150, 156, 165, 180, 195, 198, 220, 225, 234, 260, 275, 286, 300, 325, 330, 390, 396, 429, 450, 468, 495, 550, 572, 585, 650, 660, 715, 780, 825, 858, 900, 975, 990, 1100, 1170, 1287, 1300, 1430, 1650, 1716, 1950, 1980, 2145, 2340, 2475, 2574, 2860, 2925, 3300, 3575, 3900, 4290, 4950, 5148, 5850, 6435, 7150, 8580, 9900, 10725, 11700, 12870, 14300, 21450, 25740, 32175, 42900, 64350, 128700]

約数ペア:
[(1, 128700), (2, 64350), (3, 42900), (4, 32175), (5, 25740), (6, 21450), (9, 14300), (10, 12870), (11, 11700), (12, 10725), (13, 9900), (15, 8580), (18, 7150), (20, 6435), (22, 5850), (25, 5148), (26, 4950), (30, 4290), (33, 3900), (36, 3575), (39, 3300), (44, 2925), (45, 2860), (50, 2574), (52, 2475), (55, 2340), (60, 2145), (65, 1980), (66, 1950), (75, 1716), (78, 1650), (90, 1430), (99, 1300), (100, 1287), (110, 1170), (117, 1100), (130, 990), (132, 975), (143, 900), (150, 858), (156, 825), (165, 780), (180, 715), (195, 660), (198, 650), (220, 585), (225, 572), (234, 550), (260, 495), (275, 468), (286, 450), (300, 429), (325, 396), (330, 390)]

このpageの処理時間: 0.0028700828552246094 seconds