399262080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:577

約数の個数: 256

約数和(自身を含む): 1481333760

約数和(自身を除く): 1082071680

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, 56, 60, 61, 64, 70, 80, 84, 96, 105, 112, 120, 122, 128, 140, 160, 168, 183, 192, 210, 224, 240, 244, 280, 305, 320, 336, 366, 384, 420, 427, 448, 480, 487, 488, 560, 610, 640, 672, 732, 840, 854, 896, 915, 960, 974, 976, 1120, 1220, 1281, 1344, 1461, 1464, 1680, 1708, 1830, 1920, 1948, 1952, 2135, 2240, 2435, 2440, 2562, 2688, 2922, 2928, 3360, 3409, 3416, 3660, 3896, 3904, 4270, 4480, 4870, 4880, 5124, 5844, 5856, 6405, 6720, 6818, 6832, 7305, 7320, 7792, 7808, 8540, 9740, 9760, 10227, 10248, 11688, 11712, 12810, 13440, 13636, 13664, 14610, 14640, 15584, 17045, 17080, 19480, 19520, 20454, 20496, 23376, 23424, 25620, 27272, 27328, 29220, 29280, 29707, 31168, 34090, 34160, 38960, 39040, 40908, 40992, 46752, 51135, 51240, 54544, 54656, 58440, 58560, 59414, 62336, 68180, 68320, 77920, 81816, 81984, 89121, 93504, 102270, 102480, 109088, 116880, 117120, 118828, 136360, 136640, 148535, 155840, 163632, 163968, 178242, 187008, 204540, 204960, 207949, 218176, 233760, 237656, 272720, 273280, 297070, 311680, 327264, 356484, 409080, 409920, 415898, 436352, 445605, 467520, 475312, 545440, 594140, 623847, 654528, 712968, 818160, 819840, 831796, 891210, 935040, 950624, 1039745, 1090880, 1188280, 1247694, 1309056, 1425936, 1636320, 1663592, 1782420, 1901248, 2079490, 2181760, 2376560, 2495388, 2851872, 3119235, 3272640, 3327184, 3564840, 3802496, 4158980, 4753120, 4990776, 5703744, 6238470, 6545280, 6654368, 7129680, 8317960, 9506240, 9981552, 11407488, 12476940, 13308736, 14259360, 16635920, 19012480, 19963104, 24953880, 26617472, 28518720, 33271840, 39926208, 49907760, 57037440, 66543680, 79852416, 99815520, 133087360, 199631040, 399262080]

約数ペア:

[(1, 399262080), (2, 199631040), (3, 133087360), (4, 99815520), (5, 79852416), (6, 66543680), (7, 57037440), (8, 49907760), (10, 39926208), (12, 33271840), (14, 28518720), (15, 26617472), (16, 24953880), (20, 19963104), (21, 19012480), (24, 16635920), (28, 14259360), (30, 13308736), (32, 12476940), (35, 11407488), (40, 9981552), (42, 9506240), (48, 8317960), (56, 7129680), (60, 6654368), (61, 6545280), (64, 6238470), (70, 5703744), (80, 4990776), (84, 4753120), (96, 4158980), (105, 3802496), (112, 3564840), (120, 3327184), (122, 3272640), (128, 3119235), (140, 2851872), (160, 2495388), (168, 2376560), (183, 2181760), (192, 2079490), (210, 1901248), (224, 1782420), (240, 1663592), (244, 1636320), (280, 1425936), (305, 1309056), (320, 1247694), (336, 1188280), (366, 1090880), (384, 1039745), (420, 950624), (427, 935040), (448, 891210), (480, 831796), (487, 819840), (488, 818160), (560, 712968), (610, 654528), (640, 623847), (672, 594140), (732, 545440), (840, 475312), (854, 467520), (896, 445605), (915, 436352), (960, 415898), (974, 409920), (976, 409080), (1120, 356484), (1220, 327264), (1281, 311680), (1344, 297070), (1461, 273280), (1464, 272720), (1680, 237656), (1708, 233760), (1830, 218176), (1920, 207949), (1948, 204960), (1952, 204540), (2135, 187008), (2240, 178242), (2435, 163968), (2440, 163632), (2562, 155840), (2688, 148535), (2922, 136640), (2928, 136360), (3360, 118828), (3409, 117120), (3416, 116880), (3660, 109088), (3896, 102480), (3904, 102270), (4270, 93504), (4480, 89121), (4870, 81984), (4880, 81816), (5124, 77920), (5844, 68320), (5856, 68180), (6405, 62336), (6720, 59414), (6818, 58560), (6832, 58440), (7305, 54656), (7320, 54544), (7792, 51240), (7808, 51135), (8540, 46752), (9740, 40992), (9760, 40908), (10227, 39040), (10248, 38960), (11688, 34160), (11712, 34090), (12810, 31168), (13440, 29707), (13636, 29280), (13664, 29220), (14610, 27328), (14640, 27272), (15584, 25620), (17045, 23424), (17080, 23376), (19480, 20496), (19520, 20454)]