2491520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 6334200

約数和(自身を除く): 3842680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 229, 272, 320, 340, 458, 544, 640, 680, 916, 1088, 1145, 1360, 1832, 2176, 2290, 2720, 3664, 3893, 4580, 5440, 7328, 7786, 9160, 10880, 14656, 15572, 18320, 19465, 29312, 31144, 36640, 38930, 62288, 73280, 77860, 124576, 146560, 155720, 249152, 311440, 498304, 622880, 1245760, 2491520]

約数ペア:

[(1, 2491520), (2, 1245760), (4, 622880), (5, 498304), (8, 311440), (10, 249152), (16, 155720), (17, 146560), (20, 124576), (32, 77860), (34, 73280), (40, 62288), (64, 38930), (68, 36640), (80, 31144), (85, 29312), (128, 19465), (136, 18320), (160, 15572), (170, 14656), (229, 10880), (272, 9160), (320, 7786), (340, 7328), (458, 5440), (544, 4580), (640, 3893), (680, 3664), (916, 2720), (1088, 2290), (1145, 2176), (1360, 1832)]