1291084125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 2415329280

約数和(自身を除く): 1124245155

約数列:

[1, 3, 5, 15, 17, 25, 31, 47, 51, 75, 85, 93, 125, 139, 141, 155, 235, 255, 375, 417, 425, 465, 527, 695, 705, 775, 799, 1175, 1275, 1457, 1581, 2085, 2125, 2325, 2363, 2397, 2635, 3475, 3525, 3875, 3995, 4309, 4371, 5875, 6375, 6533, 7089, 7285, 7905, 10425, 11625, 11815, 11985, 12927, 13175, 17375, 17625, 19599, 19975, 21545, 21855, 24769, 32665, 35445, 36425, 39525, 52125, 59075, 59925, 64635, 65875, 73253, 74307, 97995, 99875, 107725, 109275, 111061, 123845, 163325, 177225, 182125, 197625, 202523, 219759, 295375, 299625, 323175, 333183, 366265, 371535, 489975, 538625, 546375, 555305, 607569, 619225, 816625, 886125, 1012615, 1098795, 1615875, 1665915, 1831325, 1857675, 2449875, 2776525, 3037845, 3096125, 3442891, 5063075, 5493975, 8329575, 9156625, 9288375, 10328673, 13882625, 15189225, 17214455, 25315375, 27469875, 41647875, 51643365, 75946125, 86072275, 258216825, 430361375, 1291084125]

約数ペア:

[(1, 1291084125), (3, 430361375), (5, 258216825), (15, 86072275), (17, 75946125), (25, 51643365), (31, 41647875), (47, 27469875), (51, 25315375), (75, 17214455), (85, 15189225), (93, 13882625), (125, 10328673), (139, 9288375), (141, 9156625), (155, 8329575), (235, 5493975), (255, 5063075), (375, 3442891), (417, 3096125), (425, 3037845), (465, 2776525), (527, 2449875), (695, 1857675), (705, 1831325), (775, 1665915), (799, 1615875), (1175, 1098795), (1275, 1012615), (1457, 886125), (1581, 816625), (2085, 619225), (2125, 607569), (2325, 555305), (2363, 546375), (2397, 538625), (2635, 489975), (3475, 371535), (3525, 366265), (3875, 333183), (3995, 323175), (4309, 299625), (4371, 295375), (5875, 219759), (6375, 202523), (6533, 197625), (7089, 182125), (7285, 177225), (7905, 163325), (10425, 123845), (11625, 111061), (11815, 109275), (11985, 107725), (12927, 99875), (13175, 97995), (17375, 74307), (17625, 73253), (19599, 65875), (19975, 64635), (21545, 59925), (21855, 59075), (24769, 52125), (32665, 39525), (35445, 36425)]