About the Number

1201489020

1201489019 ← → 1201489021

2進数表記:1000111100111010100010001111100

漢数字表記:十二億百四十八万九千二十

素因数分解:

2 2 × 3 2 × 5 1 × 569 1 × 11731 1

素因数の和:12315
約数の個数: 72
約数和(自身を含む): 3651233040
約数和(自身を除く): 2449744020

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 569, 1138, 1707, 2276, 2845, 3414, 5121, 5690, 6828, 8535, 10242, 11380, 11731, 17070, 20484, 23462, 25605, 34140, 35193, 46924, 51210, 58655, 70386, 102420, 105579, 117310, 140772, 175965, 211158, 234620, 351930, 422316, 527895, 703860, 1055790, 2111580, 6674939, 13349878, 20024817, 26699756, 33374695, 40049634, 60074451, 66749390, 80099268, 100124085, 120148902, 133498780, 200248170, 240297804, 300372255, 400496340, 600744510, 1201489020]

約数ペア:
[(1, 1201489020), (2, 600744510), (3, 400496340), (4, 300372255), (5, 240297804), (6, 200248170), (9, 133498780), (10, 120148902), (12, 100124085), (15, 80099268), (18, 66749390), (20, 60074451), (30, 40049634), (36, 33374695), (45, 26699756), (60, 20024817), (90, 13349878), (180, 6674939), (569, 2111580), (1138, 1055790), (1707, 703860), (2276, 527895), (2845, 422316), (3414, 351930), (5121, 234620), (5690, 211158), (6828, 175965), (8535, 140772), (10242, 117310), (11380, 105579), (11731, 102420), (17070, 70386), (20484, 58655), (23462, 51210), (25605, 46924), (34140, 35193)]

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