257118030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 256

約数和(自身を含む): 812851200

約数和(自身を除く): 555733170

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 31, 34, 39, 45, 51, 54, 62, 65, 78, 85, 90, 93, 102, 117, 130, 135, 139, 153, 155, 170, 186, 195, 221, 234, 255, 270, 278, 279, 306, 310, 351, 390, 403, 417, 442, 459, 465, 510, 527, 558, 585, 663, 695, 702, 765, 806, 834, 837, 918, 930, 1054, 1105, 1170, 1209, 1251, 1326, 1390, 1395, 1530, 1581, 1674, 1755, 1807, 1989, 2015, 2085, 2210, 2295, 2363, 2418, 2502, 2635, 2790, 3162, 3315, 3510, 3614, 3627, 3753, 3978, 4030, 4170, 4185, 4309, 4590, 4726, 4743, 5270, 5421, 5967, 6045, 6255, 6630, 6851, 7089, 7254, 7506, 7905, 8370, 8618, 9035, 9486, 9945, 10842, 10881, 11815, 11934, 12090, 12510, 12927, 13702, 14178, 14229, 15810, 16263, 18070, 18135, 18765, 19890, 20553, 21267, 21545, 21762, 23630, 23715, 25854, 27105, 28458, 29835, 30719, 32526, 34255, 35445, 36270, 37530, 38781, 41106, 42534, 43090, 47430, 48789, 54210, 54405, 56017, 59670, 61438, 61659, 63801, 64635, 68510, 70890, 71145, 73253, 77562, 81315, 92157, 97578, 102765, 106335, 108810, 112034, 116343, 123318, 127602, 129270, 142290, 146506, 153595, 162630, 168051, 184314, 184977, 193905, 205530, 212670, 219759, 232686, 243945, 276471, 280085, 307190, 308295, 319005, 336102, 366265, 369954, 387810, 439518, 460785, 487890, 504153, 552942, 560170, 581715, 616590, 638010, 659277, 732530, 829413, 840255, 921570, 924885, 952289, 1008306, 1098795, 1163430, 1318554, 1382355, 1512459, 1658826, 1680510, 1849770, 1904578, 1977831, 2197590, 2520765, 2764710, 2856867, 3024918, 3296385, 3955662, 4147065, 4761445, 5041530, 5713734, 6592770, 7562295, 8294130, 8570601, 9522890, 9889155, 14284335, 15124590, 17141202, 19778310, 25711803, 28568670, 42853005, 51423606, 85706010, 128559015, 257118030]

約数ペア:

[(1, 257118030), (2, 128559015), (3, 85706010), (5, 51423606), (6, 42853005), (9, 28568670), (10, 25711803), (13, 19778310), (15, 17141202), (17, 15124590), (18, 14284335), (26, 9889155), (27, 9522890), (30, 8570601), (31, 8294130), (34, 7562295), (39, 6592770), (45, 5713734), (51, 5041530), (54, 4761445), (62, 4147065), (65, 3955662), (78, 3296385), (85, 3024918), (90, 2856867), (93, 2764710), (102, 2520765), (117, 2197590), (130, 1977831), (135, 1904578), (139, 1849770), (153, 1680510), (155, 1658826), (170, 1512459), (186, 1382355), (195, 1318554), (221, 1163430), (234, 1098795), (255, 1008306), (270, 952289), (278, 924885), (279, 921570), (306, 840255), (310, 829413), (351, 732530), (390, 659277), (403, 638010), (417, 616590), (442, 581715), (459, 560170), (465, 552942), (510, 504153), (527, 487890), (558, 460785), (585, 439518), (663, 387810), (695, 369954), (702, 366265), (765, 336102), (806, 319005), (834, 308295), (837, 307190), (918, 280085), (930, 276471), (1054, 243945), (1105, 232686), (1170, 219759), (1209, 212670), (1251, 205530), (1326, 193905), (1390, 184977), (1395, 184314), (1530, 168051), (1581, 162630), (1674, 153595), (1755, 146506), (1807, 142290), (1989, 129270), (2015, 127602), (2085, 123318), (2210, 116343), (2295, 112034), (2363, 108810), (2418, 106335), (2502, 102765), (2635, 97578), (2790, 92157), (3162, 81315), (3315, 77562), (3510, 73253), (3614, 71145), (3627, 70890), (3753, 68510), (3978, 64635), (4030, 63801), (4170, 61659), (4185, 61438), (4309, 59670), (4590, 56017), (4726, 54405), (4743, 54210), (5270, 48789), (5421, 47430), (5967, 43090), (6045, 42534), (6255, 41106), (6630, 38781), (6851, 37530), (7089, 36270), (7254, 35445), (7506, 34255), (7905, 32526), (8370, 30719), (8618, 29835), (9035, 28458), (9486, 27105), (9945, 25854), (10842, 23715), (10881, 23630), (11815, 21762), (11934, 21545), (12090, 21267), (12510, 20553), (12927, 19890), (13702, 18765), (14178, 18135), (14229, 18070), (15810, 16263)]