180345900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 601239296

約数和(自身を除く): 420893396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 157, 175, 210, 300, 314, 350, 420, 471, 525, 547, 628, 700, 785, 942, 1050, 1094, 1099, 1570, 1641, 1884, 2100, 2188, 2198, 2355, 2735, 3140, 3282, 3297, 3829, 3925, 4396, 4710, 5470, 5495, 6564, 6594, 7658, 7850, 8205, 9420, 10940, 10990, 11487, 11775, 13188, 13675, 15316, 15700, 16410, 16485, 19145, 21980, 22974, 23550, 27350, 27475, 32820, 32970, 38290, 41025, 45948, 47100, 54700, 54950, 57435, 65940, 76580, 82050, 82425, 85879, 95725, 109900, 114870, 164100, 164850, 171758, 191450, 229740, 257637, 287175, 329700, 343516, 382900, 429395, 515274, 574350, 601153, 858790, 1030548, 1148700, 1202306, 1288185, 1717580, 1803459, 2146975, 2404612, 2576370, 3005765, 3606918, 4293950, 5152740, 6011530, 6440925, 7213836, 8587900, 9017295, 12023060, 12881850, 15028825, 18034590, 25763700, 30057650, 36069180, 45086475, 60115300, 90172950, 180345900]

約数ペア:

[(1, 180345900), (2, 90172950), (3, 60115300), (4, 45086475), (5, 36069180), (6, 30057650), (7, 25763700), (10, 18034590), (12, 15028825), (14, 12881850), (15, 12023060), (20, 9017295), (21, 8587900), (25, 7213836), (28, 6440925), (30, 6011530), (35, 5152740), (42, 4293950), (50, 3606918), (60, 3005765), (70, 2576370), (75, 2404612), (84, 2146975), (100, 1803459), (105, 1717580), (140, 1288185), (150, 1202306), (157, 1148700), (175, 1030548), (210, 858790), (300, 601153), (314, 574350), (350, 515274), (420, 429395), (471, 382900), (525, 343516), (547, 329700), (628, 287175), (700, 257637), (785, 229740), (942, 191450), (1050, 171758), (1094, 164850), (1099, 164100), (1570, 114870), (1641, 109900), (1884, 95725), (2100, 85879), (2188, 82425), (2198, 82050), (2355, 76580), (2735, 65940), (3140, 57435), (3282, 54950), (3297, 54700), (3829, 47100), (3925, 45948), (4396, 41025), (4710, 38290), (5470, 32970), (5495, 32820), (6564, 27475), (6594, 27350), (7658, 23550), (7850, 22974), (8205, 21980), (9420, 19145), (10940, 16485), (10990, 16410), (11487, 15700), (11775, 15316), (13188, 13675)]