About the Number

1270291380

1270291379 ← → 1270291381

2進数表記:1001011101101110001101110110100

漢数字表記:十二億七千二十九万千三百八十

素因数分解:

2 2 × 3 1 × 5 1 × 23 1 × 43 1 × 21407 1

素因数の和:21485
約数の個数: 96
約数和(自身を含む): 3797950464
約数和(自身を除く): 2527659084

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 430, 460, 516, 645, 690, 860, 989, 1290, 1380, 1978, 2580, 2967, 3956, 4945, 5934, 9890, 11868, 14835, 19780, 21407, 29670, 42814, 59340, 64221, 85628, 107035, 128442, 214070, 256884, 321105, 428140, 492361, 642210, 920501, 984722, 1284420, 1477083, 1841002, 1969444, 2461805, 2761503, 2954166, 3682004, 4602505, 4923610, 5523006, 5908332, 7385415, 9205010, 9847220, 11046012, 13807515, 14770830, 18410020, 21171523, 27615030, 29541660, 42343046, 55230060, 63514569, 84686092, 105857615, 127029138, 211715230, 254058276, 317572845, 423430460, 635145690, 1270291380]

約数ペア:
[(1, 1270291380), (2, 635145690), (3, 423430460), (4, 317572845), (5, 254058276), (6, 211715230), (10, 127029138), (12, 105857615), (15, 84686092), (20, 63514569), (23, 55230060), (30, 42343046), (43, 29541660), (46, 27615030), (60, 21171523), (69, 18410020), (86, 14770830), (92, 13807515), (115, 11046012), (129, 9847220), (138, 9205010), (172, 7385415), (215, 5908332), (230, 5523006), (258, 4923610), (276, 4602505), (345, 3682004), (430, 2954166), (460, 2761503), (516, 2461805), (645, 1969444), (690, 1841002), (860, 1477083), (989, 1284420), (1290, 984722), (1380, 920501), (1978, 642210), (2580, 492361), (2967, 428140), (3956, 321105), (4945, 256884), (5934, 214070), (9890, 128442), (11868, 107035), (14835, 85628), (19780, 64221), (21407, 59340), (29670, 42814)]

このpageの処理時間: 0.45488905906677246 seconds