2165120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 5508000

約数和(自身を除く): 3342880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 199, 272, 320, 340, 398, 544, 640, 680, 796, 995, 1088, 1360, 1592, 1990, 2176, 2720, 3184, 3383, 3980, 5440, 6368, 6766, 7960, 10880, 12736, 13532, 15920, 16915, 25472, 27064, 31840, 33830, 54128, 63680, 67660, 108256, 127360, 135320, 216512, 270640, 433024, 541280, 1082560, 2165120]

約数ペア:

[(1, 2165120), (2, 1082560), (4, 541280), (5, 433024), (8, 270640), (10, 216512), (16, 135320), (17, 127360), (20, 108256), (32, 67660), (34, 63680), (40, 54128), (64, 33830), (68, 31840), (80, 27064), (85, 25472), (128, 16915), (136, 15920), (160, 13532), (170, 12736), (199, 10880), (272, 7960), (320, 6766), (340, 6368), (398, 5440), (544, 3980), (640, 3383), (680, 3184), (796, 2720), (995, 2176), (1088, 1990), (1360, 1592)]