78416640

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{2269}}^1$

素因数の和:2299

約数の個数: 144

約数和(自身を含む): 278392800

約数和(自身を除く): 199976160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2269, 2304, 2880, 3456, 3840, 4320, 4538, 5760, 6807, 6912, 8640, 9076, 11345, 11520, 13614, 17280, 18152, 20421, 22690, 27228, 34035, 34560, 36304, 40842, 45380, 54456, 61263, 68070, 72608, 81684, 90760, 102105, 108912, 122526, 136140, 145216, 163368, 181520, 204210, 217824, 245052, 272280, 290432, 306315, 326736, 363040, 408420, 435648, 490104, 544560, 580864, 612630, 653472, 726080, 816840, 871296, 980208, 1089120, 1225260, 1306944, 1452160, 1633680, 1742592, 1960416, 2178240, 2450520, 2613888, 2904320, 3267360, 3920832, 4356480, 4901040, 5227776, 6534720, 7841664, 8712960, 9802080, 13069440, 15683328, 19604160, 26138880, 39208320, 78416640]

約数ペア:

[(1, 78416640), (2, 39208320), (3, 26138880), (4, 19604160), (5, 15683328), (6, 13069440), (8, 9802080), (9, 8712960), (10, 7841664), (12, 6534720), (15, 5227776), (16, 4901040), (18, 4356480), (20, 3920832), (24, 3267360), (27, 2904320), (30, 2613888), (32, 2450520), (36, 2178240), (40, 1960416), (45, 1742592), (48, 1633680), (54, 1452160), (60, 1306944), (64, 1225260), (72, 1089120), (80, 980208), (90, 871296), (96, 816840), (108, 726080), (120, 653472), (128, 612630), (135, 580864), (144, 544560), (160, 490104), (180, 435648), (192, 408420), (216, 363040), (240, 326736), (256, 306315), (270, 290432), (288, 272280), (320, 245052), (360, 217824), (384, 204210), (432, 181520), (480, 163368), (540, 145216), (576, 136140), (640, 122526), (720, 108912), (768, 102105), (864, 90760), (960, 81684), (1080, 72608), (1152, 68070), (1280, 61263), (1440, 54456), (1728, 45380), (1920, 40842), (2160, 36304), (2269, 34560), (2304, 34035), (2880, 27228), (3456, 22690), (3840, 20421), (4320, 18152), (4538, 17280), (5760, 13614), (6807, 11520), (6912, 11345), (8640, 9076)]