About the Number

120990660

120990659 ← → 120990661

2進数表記:111001101100010101111000100

漢数字表記:一億二千九十九万六百六十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 271 1 × 1063 1

素因数の和:1353
約数の個数: 96
約数和(自身を含む): 388964352
約数和(自身を除く): 267973692

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 271, 420, 542, 813, 1063, 1084, 1355, 1626, 1897, 2126, 2710, 3189, 3252, 3794, 4065, 4252, 5315, 5420, 5691, 6378, 7441, 7588, 8130, 9485, 10630, 11382, 12756, 14882, 15945, 16260, 18970, 21260, 22323, 22764, 28455, 29764, 31890, 37205, 37940, 44646, 56910, 63780, 74410, 89292, 111615, 113820, 148820, 223230, 288073, 446460, 576146, 864219, 1152292, 1440365, 1728438, 2016511, 2880730, 3456876, 4033022, 4321095, 5761460, 6049533, 8066044, 8642190, 10082555, 12099066, 17284380, 20165110, 24198132, 30247665, 40330220, 60495330, 120990660]

約数ペア:
[(1, 120990660), (2, 60495330), (3, 40330220), (4, 30247665), (5, 24198132), (6, 20165110), (7, 17284380), (10, 12099066), (12, 10082555), (14, 8642190), (15, 8066044), (20, 6049533), (21, 5761460), (28, 4321095), (30, 4033022), (35, 3456876), (42, 2880730), (60, 2016511), (70, 1728438), (84, 1440365), (105, 1152292), (140, 864219), (210, 576146), (271, 446460), (420, 288073), (542, 223230), (813, 148820), (1063, 113820), (1084, 111615), (1355, 89292), (1626, 74410), (1897, 63780), (2126, 56910), (2710, 44646), (3189, 37940), (3252, 37205), (3794, 31890), (4065, 29764), (4252, 28455), (5315, 22764), (5420, 22323), (5691, 21260), (6378, 18970), (7441, 16260), (7588, 15945), (8130, 14882), (9485, 12756), (10630, 11382)]

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