About the Number

805980

805979 ← → 805981

2進数表記:11000100110001011100

漢数字表記:八十万五千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 19 1 × 101 1

素因数の和:139
約数の個数: 96
約数和(自身を含む): 2741760
約数和(自身を除く): 1935780

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 101, 105, 114, 133, 140, 190, 202, 210, 228, 266, 285, 303, 380, 399, 404, 420, 505, 532, 570, 606, 665, 707, 798, 1010, 1140, 1212, 1330, 1414, 1515, 1596, 1919, 1995, 2020, 2121, 2660, 2828, 3030, 3535, 3838, 3990, 4242, 5757, 6060, 7070, 7676, 7980, 8484, 9595, 10605, 11514, 13433, 14140, 19190, 21210, 23028, 26866, 28785, 38380, 40299, 42420, 53732, 57570, 67165, 80598, 115140, 134330, 161196, 201495, 268660, 402990, 805980]

約数ペア:
[(1, 805980), (2, 402990), (3, 268660), (4, 201495), (5, 161196), (6, 134330), (7, 115140), (10, 80598), (12, 67165), (14, 57570), (15, 53732), (19, 42420), (20, 40299), (21, 38380), (28, 28785), (30, 26866), (35, 23028), (38, 21210), (42, 19190), (57, 14140), (60, 13433), (70, 11514), (76, 10605), (84, 9595), (95, 8484), (101, 7980), (105, 7676), (114, 7070), (133, 6060), (140, 5757), (190, 4242), (202, 3990), (210, 3838), (228, 3535), (266, 3030), (285, 2828), (303, 2660), (380, 2121), (399, 2020), (404, 1995), (420, 1919), (505, 1596), (532, 1515), (570, 1414), (606, 1330), (665, 1212), (707, 1140), (798, 1010)]

このpageの処理時間: 0.002937793731689453 seconds