318978240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{6781}}^1$

素因数の和:6815

約数の個数: 168

約数和(自身を含む): 1178277552

約数和(自身を除く): 859299312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5880, 6720, 6781, 7840, 9408, 11760, 13562, 15680, 20343, 23520, 27124, 33905, 40686, 47040, 47467, 54248, 67810, 81372, 94934, 101715, 108496, 135620, 142401, 162744, 189868, 203430, 216992, 237335, 271240, 284802, 325488, 332269, 379736, 406860, 433984, 474670, 542480, 569604, 650976, 664538, 712005, 759472, 813720, 949340, 996807, 1084960, 1139208, 1301952, 1329076, 1424010, 1518944, 1627440, 1661345, 1898680, 1993614, 2169920, 2278416, 2658152, 2848020, 3037888, 3254880, 3322690, 3797360, 3987228, 4556832, 4984035, 5316304, 5696040, 6509760, 6645380, 7594720, 7974456, 9113664, 9968070, 10632608, 11392080, 13290760, 15189440, 15948912, 19936140, 21265216, 22784160, 26581520, 31897824, 39872280, 45568320, 53163040, 63795648, 79744560, 106326080, 159489120, 318978240]

約数ペア:

[(1, 318978240), (2, 159489120), (3, 106326080), (4, 79744560), (5, 63795648), (6, 53163040), (7, 45568320), (8, 39872280), (10, 31897824), (12, 26581520), (14, 22784160), (15, 21265216), (16, 19936140), (20, 15948912), (21, 15189440), (24, 13290760), (28, 11392080), (30, 10632608), (32, 9968070), (35, 9113664), (40, 7974456), (42, 7594720), (48, 6645380), (49, 6509760), (56, 5696040), (60, 5316304), (64, 4984035), (70, 4556832), (80, 3987228), (84, 3797360), (96, 3322690), (98, 3254880), (105, 3037888), (112, 2848020), (120, 2658152), (140, 2278416), (147, 2169920), (160, 1993614), (168, 1898680), (192, 1661345), (196, 1627440), (210, 1518944), (224, 1424010), (240, 1329076), (245, 1301952), (280, 1139208), (294, 1084960), (320, 996807), (336, 949340), (392, 813720), (420, 759472), (448, 712005), (480, 664538), (490, 650976), (560, 569604), (588, 542480), (672, 474670), (735, 433984), (784, 406860), (840, 379736), (960, 332269), (980, 325488), (1120, 284802), (1176, 271240), (1344, 237335), (1470, 216992), (1568, 203430), (1680, 189868), (1960, 162744), (2240, 142401), (2352, 135620), (2940, 108496), (3136, 101715), (3360, 94934), (3920, 81372), (4704, 67810), (5880, 54248), (6720, 47467), (6781, 47040), (7840, 40686), (9408, 33905), (11760, 27124), (13562, 23520), (15680, 20343)]