78784290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{233}}^1$

素因数の和:293

約数の個数: 144

約数和(自身を含む): 235341288

約数和(自身を除く): 156556998

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 233, 234, 255, 289, 306, 390, 442, 466, 510, 578, 585, 663, 699, 765, 867, 1105, 1165, 1170, 1326, 1398, 1445, 1530, 1734, 1989, 2097, 2210, 2330, 2601, 2890, 3029, 3315, 3495, 3757, 3961, 3978, 4194, 4335, 5202, 6058, 6630, 6990, 7514, 7922, 8670, 9087, 9945, 10485, 11271, 11883, 13005, 15145, 18174, 18785, 19805, 19890, 20970, 22542, 23766, 26010, 27261, 30290, 33813, 35649, 37570, 39610, 45435, 51493, 54522, 56355, 59415, 67337, 67626, 71298, 90870, 102986, 112710, 118830, 134674, 136305, 154479, 169065, 178245, 202011, 257465, 272610, 308958, 336685, 338130, 356490, 404022, 463437, 514930, 606033, 673370, 772395, 875381, 926874, 1010055, 1212066, 1544790, 1750762, 2020110, 2317185, 2626143, 3030165, 4376905, 4634370, 5252286, 6060330, 7878429, 8753810, 13130715, 15756858, 26261430, 39392145, 78784290]

約数ペア:

[(1, 78784290), (2, 39392145), (3, 26261430), (5, 15756858), (6, 13130715), (9, 8753810), (10, 7878429), (13, 6060330), (15, 5252286), (17, 4634370), (18, 4376905), (26, 3030165), (30, 2626143), (34, 2317185), (39, 2020110), (45, 1750762), (51, 1544790), (65, 1212066), (78, 1010055), (85, 926874), (90, 875381), (102, 772395), (117, 673370), (130, 606033), (153, 514930), (170, 463437), (195, 404022), (221, 356490), (233, 338130), (234, 336685), (255, 308958), (289, 272610), (306, 257465), (390, 202011), (442, 178245), (466, 169065), (510, 154479), (578, 136305), (585, 134674), (663, 118830), (699, 112710), (765, 102986), (867, 90870), (1105, 71298), (1165, 67626), (1170, 67337), (1326, 59415), (1398, 56355), (1445, 54522), (1530, 51493), (1734, 45435), (1989, 39610), (2097, 37570), (2210, 35649), (2330, 33813), (2601, 30290), (2890, 27261), (3029, 26010), (3315, 23766), (3495, 22542), (3757, 20970), (3961, 19890), (3978, 19805), (4194, 18785), (4335, 18174), (5202, 15145), (6058, 13005), (6630, 11883), (6990, 11271), (7514, 10485), (7922, 9945), (8670, 9087)]