12801780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 40346880

約数和(自身を除く): 27545100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 151, 157, 180, 270, 302, 314, 453, 471, 540, 604, 628, 755, 785, 906, 942, 1359, 1413, 1510, 1570, 1812, 1884, 2265, 2355, 2718, 2826, 3020, 3140, 4077, 4239, 4530, 4710, 5436, 5652, 6795, 7065, 8154, 8478, 9060, 9420, 13590, 14130, 16308, 16956, 20385, 21195, 23707, 27180, 28260, 40770, 42390, 47414, 71121, 81540, 84780, 94828, 118535, 142242, 213363, 237070, 284484, 355605, 426726, 474140, 640089, 711210, 853452, 1066815, 1280178, 1422420, 2133630, 2560356, 3200445, 4267260, 6400890, 12801780]

約数ペア:

[(1, 12801780), (2, 6400890), (3, 4267260), (4, 3200445), (5, 2560356), (6, 2133630), (9, 1422420), (10, 1280178), (12, 1066815), (15, 853452), (18, 711210), (20, 640089), (27, 474140), (30, 426726), (36, 355605), (45, 284484), (54, 237070), (60, 213363), (90, 142242), (108, 118535), (135, 94828), (151, 84780), (157, 81540), (180, 71121), (270, 47414), (302, 42390), (314, 40770), (453, 28260), (471, 27180), (540, 23707), (604, 21195), (628, 20385), (755, 16956), (785, 16308), (906, 14130), (942, 13590), (1359, 9420), (1413, 9060), (1510, 8478), (1570, 8154), (1812, 7065), (1884, 6795), (2265, 5652), (2355, 5436), (2718, 4710), (2826, 4530), (3020, 4239), (3140, 4077)]