255514140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1361}}^1$

素因数の和:1532

約数の個数: 144

約数和(自身を含む): 892382400

約数和(自身を除く): 636868260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 180, 210, 252, 298, 315, 420, 447, 596, 630, 745, 894, 1043, 1260, 1341, 1361, 1490, 1788, 2086, 2235, 2682, 2722, 2980, 3129, 4083, 4172, 4470, 5215, 5364, 5444, 6258, 6705, 6805, 8166, 8940, 9387, 9527, 10430, 12249, 12516, 13410, 13610, 15645, 16332, 18774, 19054, 20415, 20860, 24498, 26820, 27220, 28581, 31290, 37548, 38108, 40830, 46935, 47635, 48996, 57162, 61245, 62580, 81660, 85743, 93870, 95270, 114324, 122490, 142905, 171486, 187740, 190540, 202789, 244980, 285810, 342972, 405578, 428715, 571620, 608367, 811156, 857430, 1013945, 1216734, 1419523, 1714860, 1825101, 2027890, 2433468, 2839046, 3041835, 3650202, 4055780, 4258569, 5678092, 6083670, 7097615, 7300404, 8517138, 9125505, 12167340, 12775707, 14195230, 17034276, 18251010, 21292845, 25551414, 28390460, 36502020, 42585690, 51102828, 63878535, 85171380, 127757070, 255514140]

約数ペア:

[(1, 255514140), (2, 127757070), (3, 85171380), (4, 63878535), (5, 51102828), (6, 42585690), (7, 36502020), (9, 28390460), (10, 25551414), (12, 21292845), (14, 18251010), (15, 17034276), (18, 14195230), (20, 12775707), (21, 12167340), (28, 9125505), (30, 8517138), (35, 7300404), (36, 7097615), (42, 6083670), (45, 5678092), (60, 4258569), (63, 4055780), (70, 3650202), (84, 3041835), (90, 2839046), (105, 2433468), (126, 2027890), (140, 1825101), (149, 1714860), (180, 1419523), (210, 1216734), (252, 1013945), (298, 857430), (315, 811156), (420, 608367), (447, 571620), (596, 428715), (630, 405578), (745, 342972), (894, 285810), (1043, 244980), (1260, 202789), (1341, 190540), (1361, 187740), (1490, 171486), (1788, 142905), (2086, 122490), (2235, 114324), (2682, 95270), (2722, 93870), (2980, 85743), (3129, 81660), (4083, 62580), (4172, 61245), (4470, 57162), (5215, 48996), (5364, 47635), (5444, 46935), (6258, 40830), (6705, 38108), (6805, 37548), (8166, 31290), (8940, 28581), (9387, 27220), (9527, 26820), (10430, 24498), (12249, 20860), (12516, 20415), (13410, 19054), (13610, 18774), (15645, 16332)]