138567680

素因数分解:

$2^{13}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 112

約数和(自身を含む): 353872800

約数和(自身を除く): 215305120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 199, 256, 272, 320, 340, 398, 512, 544, 640, 680, 796, 995, 1024, 1088, 1280, 1360, 1592, 1990, 2048, 2176, 2560, 2720, 3184, 3383, 3980, 4096, 4352, 5120, 5440, 6368, 6766, 7960, 8192, 8704, 10240, 10880, 12736, 13532, 15920, 16915, 17408, 20480, 21760, 25472, 27064, 31840, 33830, 34816, 40960, 43520, 50944, 54128, 63680, 67660, 69632, 87040, 101888, 108256, 127360, 135320, 139264, 174080, 203776, 216512, 254720, 270640, 348160, 407552, 433024, 509440, 541280, 696320, 815104, 866048, 1018880, 1082560, 1630208, 1732096, 2037760, 2165120, 3464192, 4075520, 4330240, 6928384, 8151040, 8660480, 13856768, 17320960, 27713536, 34641920, 69283840, 138567680]

約数ペア:

[(1, 138567680), (2, 69283840), (4, 34641920), (5, 27713536), (8, 17320960), (10, 13856768), (16, 8660480), (17, 8151040), (20, 6928384), (32, 4330240), (34, 4075520), (40, 3464192), (64, 2165120), (68, 2037760), (80, 1732096), (85, 1630208), (128, 1082560), (136, 1018880), (160, 866048), (170, 815104), (199, 696320), (256, 541280), (272, 509440), (320, 433024), (340, 407552), (398, 348160), (512, 270640), (544, 254720), (640, 216512), (680, 203776), (796, 174080), (995, 139264), (1024, 135320), (1088, 127360), (1280, 108256), (1360, 101888), (1592, 87040), (1990, 69632), (2048, 67660), (2176, 63680), (2560, 54128), (2720, 50944), (3184, 43520), (3383, 40960), (3980, 34816), (4096, 33830), (4352, 31840), (5120, 27064), (5440, 25472), (6368, 21760), (6766, 20480), (7960, 17408), (8192, 16915), (8704, 15920), (10240, 13532), (10880, 12736)]