816677120

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 216

約数和(自身を含む): 2359287000

約数和(自身を除く): 1542609880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 128, 140, 145, 160, 196, 203, 224, 232, 245, 256, 280, 290, 320, 392, 406, 448, 449, 464, 490, 560, 580, 640, 784, 812, 896, 898, 928, 980, 1015, 1120, 1160, 1280, 1421, 1568, 1624, 1792, 1796, 1856, 1960, 2030, 2240, 2245, 2320, 2842, 3136, 3143, 3248, 3592, 3712, 3920, 4060, 4480, 4490, 4640, 5684, 6272, 6286, 6496, 7105, 7184, 7424, 7840, 8120, 8960, 8980, 9280, 11368, 12544, 12572, 12992, 13021, 14210, 14368, 15680, 15715, 16240, 17960, 18560, 22001, 22736, 25144, 25984, 26042, 28420, 28736, 31360, 31430, 32480, 35920, 37120, 44002, 45472, 50288, 51968, 52084, 56840, 57472, 62720, 62860, 64960, 65105, 71840, 88004, 90944, 91147, 100576, 104168, 110005, 113680, 114944, 125720, 129920, 130210, 143680, 176008, 181888, 182294, 201152, 208336, 220010, 227360, 251440, 259840, 260420, 287360, 352016, 363776, 364588, 402304, 416672, 440020, 454720, 455735, 502880, 520840, 574720, 638029, 704032, 729176, 804608, 833344, 880040, 909440, 911470, 1005760, 1041680, 1276058, 1408064, 1458352, 1666688, 1760080, 1818880, 1822940, 2011520, 2083360, 2552116, 2816128, 2916704, 3190145, 3333376, 3520160, 3645880, 4023040, 4166720, 5104232, 5632256, 5833408, 6380290, 7040320, 7291760, 8333440, 10208464, 11666816, 12760580, 14080640, 14583520, 16666880, 20416928, 23333632, 25521160, 28161280, 29167040, 40833856, 51042320, 58334080, 81667712, 102084640, 116668160, 163335424, 204169280, 408338560, 816677120]

約数ペア:

[(1, 816677120), (2, 408338560), (4, 204169280), (5, 163335424), (7, 116668160), (8, 102084640), (10, 81667712), (14, 58334080), (16, 51042320), (20, 40833856), (28, 29167040), (29, 28161280), (32, 25521160), (35, 23333632), (40, 20416928), (49, 16666880), (56, 14583520), (58, 14080640), (64, 12760580), (70, 11666816), (80, 10208464), (98, 8333440), (112, 7291760), (116, 7040320), (128, 6380290), (140, 5833408), (145, 5632256), (160, 5104232), (196, 4166720), (203, 4023040), (224, 3645880), (232, 3520160), (245, 3333376), (256, 3190145), (280, 2916704), (290, 2816128), (320, 2552116), (392, 2083360), (406, 2011520), (448, 1822940), (449, 1818880), (464, 1760080), (490, 1666688), (560, 1458352), (580, 1408064), (640, 1276058), (784, 1041680), (812, 1005760), (896, 911470), (898, 909440), (928, 880040), (980, 833344), (1015, 804608), (1120, 729176), (1160, 704032), (1280, 638029), (1421, 574720), (1568, 520840), (1624, 502880), (1792, 455735), (1796, 454720), (1856, 440020), (1960, 416672), (2030, 402304), (2240, 364588), (2245, 363776), (2320, 352016), (2842, 287360), (3136, 260420), (3143, 259840), (3248, 251440), (3592, 227360), (3712, 220010), (3920, 208336), (4060, 201152), (4480, 182294), (4490, 181888), (4640, 176008), (5684, 143680), (6272, 130210), (6286, 129920), (6496, 125720), (7105, 114944), (7184, 113680), (7424, 110005), (7840, 104168), (8120, 100576), (8960, 91147), (8980, 90944), (9280, 88004), (11368, 71840), (12544, 65105), (12572, 64960), (12992, 62860), (13021, 62720), (14210, 57472), (14368, 56840), (15680, 52084), (15715, 51968), (16240, 50288), (17960, 45472), (18560, 44002), (22001, 37120), (22736, 35920), (25144, 32480), (25984, 31430), (26042, 31360), (28420, 28736)]