About the Number

127209420

127209419 ← → 127209421

2進数表記:111100101010000111111001100

漢数字表記:一億二千七百二十万九千四百二十

素因数分解:

2 2 × 3 3 × 5 1 × 13 1 × 18121 1

素因数の和:18152
約数の個数: 96
約数和(自身を含む): 426229440
約数和(自身を除く): 299020020

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 18121, 36242, 54363, 72484, 90605, 108726, 163089, 181210, 217452, 235573, 271815, 326178, 362420, 471146, 489267, 543630, 652356, 706719, 815445, 942292, 978534, 1087260, 1177865, 1413438, 1630890, 1957068, 2120157, 2355730, 2446335, 2826876, 3261780, 3533595, 4240314, 4711460, 4892670, 6360471, 7067190, 8480628, 9785340, 10600785, 12720942, 14134380, 21201570, 25441884, 31802355, 42403140, 63604710, 127209420]

約数ペア:
[(1, 127209420), (2, 63604710), (3, 42403140), (4, 31802355), (5, 25441884), (6, 21201570), (9, 14134380), (10, 12720942), (12, 10600785), (13, 9785340), (15, 8480628), (18, 7067190), (20, 6360471), (26, 4892670), (27, 4711460), (30, 4240314), (36, 3533595), (39, 3261780), (45, 2826876), (52, 2446335), (54, 2355730), (60, 2120157), (65, 1957068), (78, 1630890), (90, 1413438), (108, 1177865), (117, 1087260), (130, 978534), (135, 942292), (156, 815445), (180, 706719), (195, 652356), (234, 543630), (260, 489267), (270, 471146), (351, 362420), (390, 326178), (468, 271815), (540, 235573), (585, 217452), (702, 181210), (780, 163089), (1170, 108726), (1404, 90605), (1755, 72484), (2340, 54363), (3510, 36242), (7020, 18121)]

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