131255280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 240

約数和(自身を含む): 488822880

約数和(自身を除く): 357567600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 48, 52, 60, 65, 72, 74, 78, 80, 90, 104, 111, 117, 120, 130, 144, 148, 156, 180, 185, 195, 208, 222, 234, 240, 260, 296, 312, 333, 360, 370, 379, 390, 444, 468, 481, 520, 555, 585, 592, 624, 666, 720, 740, 758, 780, 888, 936, 962, 1040, 1110, 1137, 1170, 1332, 1443, 1480, 1516, 1560, 1665, 1776, 1872, 1895, 1924, 2220, 2274, 2340, 2405, 2664, 2886, 2960, 3032, 3120, 3330, 3411, 3790, 3848, 4329, 4440, 4548, 4680, 4810, 4927, 5328, 5685, 5772, 6064, 6660, 6822, 7215, 7580, 7696, 8658, 8880, 9096, 9360, 9620, 9854, 11370, 11544, 13320, 13644, 14023, 14430, 14781, 15160, 17055, 17316, 18192, 19240, 19708, 21645, 22740, 23088, 24635, 26640, 27288, 28046, 28860, 29562, 30320, 34110, 34632, 38480, 39416, 42069, 43290, 44343, 45480, 49270, 54576, 56092, 57720, 59124, 68220, 69264, 70115, 73905, 78832, 84138, 86580, 88686, 90960, 98540, 112184, 115440, 118248, 126207, 136440, 140230, 147810, 168276, 173160, 177372, 182299, 197080, 210345, 221715, 224368, 236496, 252414, 272880, 280460, 295620, 336552, 346320, 354744, 364598, 394160, 420690, 443430, 504828, 546897, 560920, 591240, 631035, 673104, 709488, 729196, 841380, 886860, 911495, 1009656, 1093794, 1121840, 1182480, 1262070, 1458392, 1640691, 1682760, 1773720, 1822990, 2019312, 2187588, 2524140, 2734485, 2916784, 3281382, 3365520, 3547440, 3645980, 4375176, 5048280, 5468970, 6562764, 7291960, 8203455, 8750352, 10096560, 10937940, 13125528, 14583920, 16406910, 21875880, 26251056, 32813820, 43751760, 65627640, 131255280]

約数ペア:

[(1, 131255280), (2, 65627640), (3, 43751760), (4, 32813820), (5, 26251056), (6, 21875880), (8, 16406910), (9, 14583920), (10, 13125528), (12, 10937940), (13, 10096560), (15, 8750352), (16, 8203455), (18, 7291960), (20, 6562764), (24, 5468970), (26, 5048280), (30, 4375176), (36, 3645980), (37, 3547440), (39, 3365520), (40, 3281382), (45, 2916784), (48, 2734485), (52, 2524140), (60, 2187588), (65, 2019312), (72, 1822990), (74, 1773720), (78, 1682760), (80, 1640691), (90, 1458392), (104, 1262070), (111, 1182480), (117, 1121840), (120, 1093794), (130, 1009656), (144, 911495), (148, 886860), (156, 841380), (180, 729196), (185, 709488), (195, 673104), (208, 631035), (222, 591240), (234, 560920), (240, 546897), (260, 504828), (296, 443430), (312, 420690), (333, 394160), (360, 364598), (370, 354744), (379, 346320), (390, 336552), (444, 295620), (468, 280460), (481, 272880), (520, 252414), (555, 236496), (585, 224368), (592, 221715), (624, 210345), (666, 197080), (720, 182299), (740, 177372), (758, 173160), (780, 168276), (888, 147810), (936, 140230), (962, 136440), (1040, 126207), (1110, 118248), (1137, 115440), (1170, 112184), (1332, 98540), (1443, 90960), (1480, 88686), (1516, 86580), (1560, 84138), (1665, 78832), (1776, 73905), (1872, 70115), (1895, 69264), (1924, 68220), (2220, 59124), (2274, 57720), (2340, 56092), (2405, 54576), (2664, 49270), (2886, 45480), (2960, 44343), (3032, 43290), (3120, 42069), (3330, 39416), (3411, 38480), (3790, 34632), (3848, 34110), (4329, 30320), (4440, 29562), (4548, 28860), (4680, 28046), (4810, 27288), (4927, 26640), (5328, 24635), (5685, 23088), (5772, 22740), (6064, 21645), (6660, 19708), (6822, 19240), (7215, 18192), (7580, 17316), (7696, 17055), (8658, 15160), (8880, 14781), (9096, 14430), (9360, 14023), (9620, 13644), (9854, 13320), (11370, 11544)]