About the Number

31285440

31285439 ← → 31285441

2進数表記:1110111010110000011000000

漢数字表記:三千百二十八万五千四百四十

素因数分解:

2 6 × 3 4 × 5 1 × 17 1 × 71 1

素因数の和:117
約数の個数: 280
約数和(自身を含む): 119493792
約数和(自身を除く): 88208352

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 71, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 142, 144, 153, 160, 162, 170, 180, 192, 204, 213, 216, 240, 255, 270, 272, 284, 288, 306, 320, 324, 340, 355, 360, 405, 408, 426, 432, 459, 480, 510, 540, 544, 568, 576, 612, 639, 648, 680, 710, 720, 765, 810, 816, 852, 864, 918, 960, 1020, 1065, 1080, 1088, 1136, 1207, 1224, 1278, 1296, 1360, 1377, 1420, 1440, 1530, 1620, 1632, 1704, 1728, 1836, 1917, 2040, 2130, 2160, 2272, 2295, 2414, 2448, 2556, 2592, 2720, 2754, 2840, 2880, 3060, 3195, 3240, 3264, 3408, 3621, 3672, 3834, 4080, 4260, 4320, 4544, 4590, 4828, 4896, 5112, 5184, 5440, 5508, 5680, 5751, 6035, 6120, 6390, 6480, 6816, 6885, 7242, 7344, 7668, 8160, 8520, 8640, 9180, 9585, 9656, 9792, 10224, 10863, 11016, 11360, 11502, 12070, 12240, 12780, 12960, 13632, 13770, 14484, 14688, 15336, 16320, 17040, 18105, 18360, 19170, 19312, 20448, 21726, 22032, 22720, 23004, 24140, 24480, 25560, 25920, 27540, 28755, 28968, 29376, 30672, 32589, 34080, 36210, 36720, 38340, 38624, 40896, 43452, 44064, 46008, 48280, 48960, 51120, 54315, 55080, 57510, 57936, 61344, 65178, 68160, 72420, 73440, 76680, 77248, 86904, 88128, 92016, 96560, 97767, 102240, 108630, 110160, 115020, 115872, 122688, 130356, 144840, 146880, 153360, 162945, 173808, 184032, 193120, 195534, 204480, 217260, 220320, 230040, 231744, 260712, 289680, 306720, 325890, 347616, 368064, 386240, 391068, 434520, 440640, 460080, 488835, 521424, 579360, 613440, 651780, 695232, 782136, 869040, 920160, 977670, 1042848, 1158720, 1303560, 1564272, 1738080, 1840320, 1955340, 2085696, 2607120, 3128544, 3476160, 3910680, 5214240, 6257088, 7821360, 10428480, 15642720, 31285440]

約数ペア:
[(1, 31285440), (2, 15642720), (3, 10428480), (4, 7821360), (5, 6257088), (6, 5214240), (8, 3910680), (9, 3476160), (10, 3128544), (12, 2607120), (15, 2085696), (16, 1955340), (17, 1840320), (18, 1738080), (20, 1564272), (24, 1303560), (27, 1158720), (30, 1042848), (32, 977670), (34, 920160), (36, 869040), (40, 782136), (45, 695232), (48, 651780), (51, 613440), (54, 579360), (60, 521424), (64, 488835), (68, 460080), (71, 440640), (72, 434520), (80, 391068), (81, 386240), (85, 368064), (90, 347616), (96, 325890), (102, 306720), (108, 289680), (120, 260712), (135, 231744), (136, 230040), (142, 220320), (144, 217260), (153, 204480), (160, 195534), (162, 193120), (170, 184032), (180, 173808), (192, 162945), (204, 153360), (213, 146880), (216, 144840), (240, 130356), (255, 122688), (270, 115872), (272, 115020), (284, 110160), (288, 108630), (306, 102240), (320, 97767), (324, 96560), (340, 92016), (355, 88128), (360, 86904), (405, 77248), (408, 76680), (426, 73440), (432, 72420), (459, 68160), (480, 65178), (510, 61344), (540, 57936), (544, 57510), (568, 55080), (576, 54315), (612, 51120), (639, 48960), (648, 48280), (680, 46008), (710, 44064), (720, 43452), (765, 40896), (810, 38624), (816, 38340), (852, 36720), (864, 36210), (918, 34080), (960, 32589), (1020, 30672), (1065, 29376), (1080, 28968), (1088, 28755), (1136, 27540), (1207, 25920), (1224, 25560), (1278, 24480), (1296, 24140), (1360, 23004), (1377, 22720), (1420, 22032), (1440, 21726), (1530, 20448), (1620, 19312), (1632, 19170), (1704, 18360), (1728, 18105), (1836, 17040), (1917, 16320), (2040, 15336), (2130, 14688), (2160, 14484), (2272, 13770), (2295, 13632), (2414, 12960), (2448, 12780), (2556, 12240), (2592, 12070), (2720, 11502), (2754, 11360), (2840, 11016), (2880, 10863), (3060, 10224), (3195, 9792), (3240, 9656), (3264, 9585), (3408, 9180), (3621, 8640), (3672, 8520), (3834, 8160), (4080, 7668), (4260, 7344), (4320, 7242), (4544, 6885), (4590, 6816), (4828, 6480), (4896, 6390), (5112, 6120), (5184, 6035), (5440, 5751), (5508, 5680)]

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