7181440

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{229}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 20058300

約数和(自身を除く): 12876860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 229, 245, 280, 320, 392, 448, 458, 490, 560, 640, 784, 896, 916, 980, 1120, 1145, 1568, 1603, 1832, 1960, 2240, 2290, 3136, 3206, 3664, 3920, 4480, 4580, 6272, 6412, 7328, 7840, 8015, 9160, 11221, 12824, 14656, 15680, 16030, 18320, 22442, 25648, 29312, 31360, 32060, 36640, 44884, 51296, 56105, 64120, 73280, 89768, 102592, 112210, 128240, 146560, 179536, 205184, 224420, 256480, 359072, 448840, 512960, 718144, 897680, 1025920, 1436288, 1795360, 3590720, 7181440]

約数ペア:

[(1, 7181440), (2, 3590720), (4, 1795360), (5, 1436288), (7, 1025920), (8, 897680), (10, 718144), (14, 512960), (16, 448840), (20, 359072), (28, 256480), (32, 224420), (35, 205184), (40, 179536), (49, 146560), (56, 128240), (64, 112210), (70, 102592), (80, 89768), (98, 73280), (112, 64120), (128, 56105), (140, 51296), (160, 44884), (196, 36640), (224, 32060), (229, 31360), (245, 29312), (280, 25648), (320, 22442), (392, 18320), (448, 16030), (458, 15680), (490, 14656), (560, 12824), (640, 11221), (784, 9160), (896, 8015), (916, 7840), (980, 7328), (1120, 6412), (1145, 6272), (1568, 4580), (1603, 4480), (1832, 3920), (1960, 3664), (2240, 3206), (2290, 3136)]