306548640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{212881}}^1$

素因数の和:212902

約数の個数: 72

約数和(自身を含む): 1046102148

約数和(自身を除く): 739553508

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 212881, 425762, 638643, 851524, 1064405, 1277286, 1703048, 1915929, 2128810, 2554572, 3193215, 3406096, 3831858, 4257620, 5109144, 6386430, 6812192, 7663716, 8515240, 9579645, 10218288, 12772860, 15327432, 17030480, 19159290, 20436576, 25545720, 30654864, 34060960, 38318580, 51091440, 61309728, 76637160, 102182880, 153274320, 306548640]

約数ペア:

[(1, 306548640), (2, 153274320), (3, 102182880), (4, 76637160), (5, 61309728), (6, 51091440), (8, 38318580), (9, 34060960), (10, 30654864), (12, 25545720), (15, 20436576), (16, 19159290), (18, 17030480), (20, 15327432), (24, 12772860), (30, 10218288), (32, 9579645), (36, 8515240), (40, 7663716), (45, 6812192), (48, 6386430), (60, 5109144), (72, 4257620), (80, 3831858), (90, 3406096), (96, 3193215), (120, 2554572), (144, 2128810), (160, 1915929), (180, 1703048), (240, 1277286), (288, 1064405), (360, 851524), (480, 638643), (720, 425762), (1440, 212881)]