245733280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 669247488

約数和(自身を除く): 423514208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 37, 40, 52, 62, 65, 74, 80, 103, 104, 124, 130, 148, 155, 160, 185, 206, 208, 248, 260, 296, 310, 370, 403, 412, 416, 481, 496, 515, 520, 592, 620, 740, 806, 824, 962, 992, 1030, 1040, 1147, 1184, 1240, 1339, 1480, 1612, 1648, 1924, 2015, 2060, 2080, 2294, 2405, 2480, 2678, 2960, 3193, 3224, 3296, 3811, 3848, 4030, 4120, 4588, 4810, 4960, 5356, 5735, 5920, 6386, 6448, 6695, 7622, 7696, 8060, 8240, 9176, 9620, 10712, 11470, 12772, 12896, 13390, 14911, 15244, 15392, 15965, 16120, 16480, 18352, 19055, 19240, 21424, 22940, 25544, 26780, 29822, 30488, 31930, 32240, 36704, 38110, 38480, 41509, 42848, 45880, 49543, 51088, 53560, 59644, 60976, 63860, 64480, 74555, 76220, 76960, 83018, 91760, 99086, 102176, 107120, 118141, 119288, 121952, 127720, 149110, 152440, 166036, 183520, 198172, 207545, 214240, 236282, 238576, 247715, 255440, 298220, 304880, 332072, 396344, 415090, 472564, 477152, 495430, 510880, 590705, 596440, 609760, 664144, 792688, 830180, 945128, 990860, 1181410, 1192880, 1328288, 1535833, 1585376, 1660360, 1890256, 1981720, 2362820, 2385760, 3071666, 3320720, 3780512, 3963440, 4725640, 6143332, 6641440, 7679165, 7926880, 9451280, 12286664, 15358330, 18902560, 24573328, 30716660, 49146656, 61433320, 122866640, 245733280]

約数ペア:

[(1, 245733280), (2, 122866640), (4, 61433320), (5, 49146656), (8, 30716660), (10, 24573328), (13, 18902560), (16, 15358330), (20, 12286664), (26, 9451280), (31, 7926880), (32, 7679165), (37, 6641440), (40, 6143332), (52, 4725640), (62, 3963440), (65, 3780512), (74, 3320720), (80, 3071666), (103, 2385760), (104, 2362820), (124, 1981720), (130, 1890256), (148, 1660360), (155, 1585376), (160, 1535833), (185, 1328288), (206, 1192880), (208, 1181410), (248, 990860), (260, 945128), (296, 830180), (310, 792688), (370, 664144), (403, 609760), (412, 596440), (416, 590705), (481, 510880), (496, 495430), (515, 477152), (520, 472564), (592, 415090), (620, 396344), (740, 332072), (806, 304880), (824, 298220), (962, 255440), (992, 247715), (1030, 238576), (1040, 236282), (1147, 214240), (1184, 207545), (1240, 198172), (1339, 183520), (1480, 166036), (1612, 152440), (1648, 149110), (1924, 127720), (2015, 121952), (2060, 119288), (2080, 118141), (2294, 107120), (2405, 102176), (2480, 99086), (2678, 91760), (2960, 83018), (3193, 76960), (3224, 76220), (3296, 74555), (3811, 64480), (3848, 63860), (4030, 60976), (4120, 59644), (4588, 53560), (4810, 51088), (4960, 49543), (5356, 45880), (5735, 42848), (5920, 41509), (6386, 38480), (6448, 38110), (6695, 36704), (7622, 32240), (7696, 31930), (8060, 30488), (8240, 29822), (9176, 26780), (9620, 25544), (10712, 22940), (11470, 21424), (12772, 19240), (12896, 19055), (13390, 18352), (14911, 16480), (15244, 16120), (15392, 15965)]