666459840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:555

約数の個数: 224

約数和(自身を含む): 2268955584

約数和(自身を除く): 1602495744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 97, 102, 120, 136, 160, 170, 192, 194, 204, 240, 255, 272, 291, 320, 340, 388, 408, 421, 480, 485, 510, 544, 582, 680, 776, 816, 842, 960, 970, 1020, 1088, 1164, 1263, 1360, 1455, 1552, 1632, 1649, 1684, 1940, 2040, 2105, 2328, 2526, 2720, 2910, 3104, 3264, 3298, 3368, 3880, 4080, 4210, 4656, 4947, 5052, 5440, 5820, 6208, 6315, 6596, 6736, 7157, 7760, 8160, 8245, 8420, 9312, 9894, 10104, 11640, 12630, 13192, 13472, 14314, 15520, 16320, 16490, 16840, 18624, 19788, 20208, 21471, 23280, 24735, 25260, 26384, 26944, 28628, 31040, 32980, 33680, 35785, 39576, 40416, 40837, 42942, 46560, 49470, 50520, 52768, 57256, 65960, 67360, 71570, 79152, 80832, 81674, 85884, 93120, 98940, 101040, 105536, 107355, 114512, 122511, 131920, 134720, 143140, 158304, 163348, 171768, 197880, 202080, 204185, 214710, 229024, 245022, 263840, 286280, 316608, 326696, 343536, 395760, 404160, 408370, 429420, 458048, 490044, 527680, 572560, 612555, 653392, 687072, 694229, 791520, 816740, 858840, 980088, 1145120, 1225110, 1306784, 1374144, 1388458, 1583040, 1633480, 1717680, 1960176, 2082687, 2290240, 2450220, 2613568, 2776916, 3266960, 3435360, 3471145, 3920352, 4165374, 4900440, 5553832, 6533920, 6870720, 6942290, 7840704, 8330748, 9800880, 10413435, 11107664, 13067840, 13884580, 16661496, 19601760, 20826870, 22215328, 27769160, 33322992, 39203520, 41653740, 44430656, 55538320, 66645984, 83307480, 111076640, 133291968, 166614960, 222153280, 333229920, 666459840]

約数ペア:

[(1, 666459840), (2, 333229920), (3, 222153280), (4, 166614960), (5, 133291968), (6, 111076640), (8, 83307480), (10, 66645984), (12, 55538320), (15, 44430656), (16, 41653740), (17, 39203520), (20, 33322992), (24, 27769160), (30, 22215328), (32, 20826870), (34, 19601760), (40, 16661496), (48, 13884580), (51, 13067840), (60, 11107664), (64, 10413435), (68, 9800880), (80, 8330748), (85, 7840704), (96, 6942290), (97, 6870720), (102, 6533920), (120, 5553832), (136, 4900440), (160, 4165374), (170, 3920352), (192, 3471145), (194, 3435360), (204, 3266960), (240, 2776916), (255, 2613568), (272, 2450220), (291, 2290240), (320, 2082687), (340, 1960176), (388, 1717680), (408, 1633480), (421, 1583040), (480, 1388458), (485, 1374144), (510, 1306784), (544, 1225110), (582, 1145120), (680, 980088), (776, 858840), (816, 816740), (842, 791520), (960, 694229), (970, 687072), (1020, 653392), (1088, 612555), (1164, 572560), (1263, 527680), (1360, 490044), (1455, 458048), (1552, 429420), (1632, 408370), (1649, 404160), (1684, 395760), (1940, 343536), (2040, 326696), (2105, 316608), (2328, 286280), (2526, 263840), (2720, 245022), (2910, 229024), (3104, 214710), (3264, 204185), (3298, 202080), (3368, 197880), (3880, 171768), (4080, 163348), (4210, 158304), (4656, 143140), (4947, 134720), (5052, 131920), (5440, 122511), (5820, 114512), (6208, 107355), (6315, 105536), (6596, 101040), (6736, 98940), (7157, 93120), (7760, 85884), (8160, 81674), (8245, 80832), (8420, 79152), (9312, 71570), (9894, 67360), (10104, 65960), (11640, 57256), (12630, 52768), (13192, 50520), (13472, 49470), (14314, 46560), (15520, 42942), (16320, 40837), (16490, 40416), (16840, 39576), (18624, 35785), (19788, 33680), (20208, 32980), (21471, 31040), (23280, 28628), (24735, 26944), (25260, 26384)]