About the Number

129172080

129172079 ← → 129172081

2進数表記:111101100110000001001110000

漢数字表記:一億二千九百十七万二千八十

素因数分解:

2 4 × 3 1 × 5 1 × 227 1 × 2371 1

素因数の和:2614
約数の個数: 80
約数和(自身を含む): 402367104
約数和(自身を除く): 273195024

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 227, 240, 454, 681, 908, 1135, 1362, 1816, 2270, 2371, 2724, 3405, 3632, 4540, 4742, 5448, 6810, 7113, 9080, 9484, 10896, 11855, 13620, 14226, 18160, 18968, 23710, 27240, 28452, 35565, 37936, 47420, 54480, 56904, 71130, 94840, 113808, 142260, 189680, 284520, 538217, 569040, 1076434, 1614651, 2152868, 2691085, 3229302, 4305736, 5382170, 6458604, 8073255, 8611472, 10764340, 12917208, 16146510, 21528680, 25834416, 32293020, 43057360, 64586040, 129172080]

約数ペア:
[(1, 129172080), (2, 64586040), (3, 43057360), (4, 32293020), (5, 25834416), (6, 21528680), (8, 16146510), (10, 12917208), (12, 10764340), (15, 8611472), (16, 8073255), (20, 6458604), (24, 5382170), (30, 4305736), (40, 3229302), (48, 2691085), (60, 2152868), (80, 1614651), (120, 1076434), (227, 569040), (240, 538217), (454, 284520), (681, 189680), (908, 142260), (1135, 113808), (1362, 94840), (1816, 71130), (2270, 56904), (2371, 54480), (2724, 47420), (3405, 37936), (3632, 35565), (4540, 28452), (4742, 27240), (5448, 23710), (6810, 18968), (7113, 18160), (9080, 14226), (9484, 13620), (10896, 11855)]

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