About the Number

10212720

10212719 ← → 10212721

2進数表記:100110111101010101110000

漢数字表記:千二十一万二千七百二十

素因数分解:

2 4 × 3 1 × 5 1 × 7 1 × 6079 1

素因数の和:6102
約数の個数: 80
約数和(自身を含む): 36188160
約数和(自身を除く): 25975440

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 6079, 12158, 18237, 24316, 30395, 36474, 42553, 48632, 60790, 72948, 85106, 91185, 97264, 121580, 127659, 145896, 170212, 182370, 212765, 243160, 255318, 291792, 340424, 364740, 425530, 486320, 510636, 638295, 680848, 729480, 851060, 1021272, 1276590, 1458960, 1702120, 2042544, 2553180, 3404240, 5106360, 10212720]

約数ペア:
[(1, 10212720), (2, 5106360), (3, 3404240), (4, 2553180), (5, 2042544), (6, 1702120), (7, 1458960), (8, 1276590), (10, 1021272), (12, 851060), (14, 729480), (15, 680848), (16, 638295), (20, 510636), (21, 486320), (24, 425530), (28, 364740), (30, 340424), (35, 291792), (40, 255318), (42, 243160), (48, 212765), (56, 182370), (60, 170212), (70, 145896), (80, 127659), (84, 121580), (105, 97264), (112, 91185), (120, 85106), (140, 72948), (168, 60790), (210, 48632), (240, 42553), (280, 36474), (336, 30395), (420, 24316), (560, 18237), (840, 12158), (1680, 6079)]

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