About the Number

1221274080

1221274079 ← → 1221274081

2進数表記:1001000110010110010100111100000

漢数字表記:十二億二千百二十七万四千八十

素因数分解:

2 5 × 3 2 × 5 1 × 13 1 × 65239 1

素因数の和:65273
約数の個数: 144
約数和(自身を含む): 4488251040
約数和(自身を除く): 3266976960

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 65239, 130478, 195717, 260956, 326195, 391434, 521912, 587151, 652390, 782868, 848107, 978585, 1043824, 1174302, 1304780, 1565736, 1696214, 1957170, 2087648, 2348604, 2544321, 2609560, 2935755, 3131472, 3392428, 3914340, 4240535, 4697208, 5088642, 5219120, 5871510, 6262944, 6784856, 7632963, 7828680, 8481070, 9394416, 10177284, 10438240, 11743020, 12721605, 13569712, 15265926, 15657360, 16962140, 18788832, 20354568, 23486040, 25443210, 27139424, 30531852, 31314720, 33924280, 38164815, 40709136, 46972080, 50886420, 61063704, 67848560, 76329630, 81418272, 93944160, 101772840, 122127408, 135697120, 152659260, 203545680, 244254816, 305318520, 407091360, 610637040, 1221274080]

約数ペア:
[(1, 1221274080), (2, 610637040), (3, 407091360), (4, 305318520), (5, 244254816), (6, 203545680), (8, 152659260), (9, 135697120), (10, 122127408), (12, 101772840), (13, 93944160), (15, 81418272), (16, 76329630), (18, 67848560), (20, 61063704), (24, 50886420), (26, 46972080), (30, 40709136), (32, 38164815), (36, 33924280), (39, 31314720), (40, 30531852), (45, 27139424), (48, 25443210), (52, 23486040), (60, 20354568), (65, 18788832), (72, 16962140), (78, 15657360), (80, 15265926), (90, 13569712), (96, 12721605), (104, 11743020), (117, 10438240), (120, 10177284), (130, 9394416), (144, 8481070), (156, 7828680), (160, 7632963), (180, 6784856), (195, 6262944), (208, 5871510), (234, 5219120), (240, 5088642), (260, 4697208), (288, 4240535), (312, 3914340), (360, 3392428), (390, 3131472), (416, 2935755), (468, 2609560), (480, 2544321), (520, 2348604), (585, 2087648), (624, 1957170), (720, 1696214), (780, 1565736), (936, 1304780), (1040, 1174302), (1170, 1043824), (1248, 978585), (1440, 848107), (1560, 782868), (1872, 652390), (2080, 587151), (2340, 521912), (3120, 391434), (3744, 326195), (4680, 260956), (6240, 195717), (9360, 130478), (18720, 65239)]

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