205676520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 256

約数和(自身を含む): 760320000

約数和(自身を除く): 554643480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 263, 266, 280, 285, 294, 343, 380, 392, 399, 420, 456, 490, 526, 532, 570, 588, 665, 686, 735, 760, 789, 798, 840, 931, 980, 1029, 1052, 1064, 1140, 1176, 1315, 1330, 1372, 1470, 1578, 1596, 1715, 1841, 1862, 1960, 1995, 2058, 2104, 2280, 2630, 2660, 2744, 2793, 2940, 3156, 3192, 3430, 3682, 3724, 3945, 3990, 4116, 4655, 4997, 5145, 5260, 5320, 5523, 5586, 5880, 6312, 6517, 6860, 7364, 7448, 7890, 7980, 8232, 9205, 9310, 9994, 10290, 10520, 11046, 11172, 12887, 13034, 13720, 13965, 14728, 14991, 15780, 15960, 18410, 18620, 19551, 19988, 20580, 22092, 22344, 24985, 25774, 26068, 27615, 27930, 29982, 31560, 32585, 34979, 36820, 37240, 38661, 39102, 39976, 41160, 44184, 49970, 51548, 52136, 55230, 55860, 59964, 64435, 65170, 69958, 73640, 74955, 77322, 78204, 90209, 97755, 99940, 103096, 104937, 110460, 111720, 119928, 128870, 130340, 139916, 149910, 154644, 156408, 174895, 180418, 193305, 195510, 199880, 209874, 220920, 244853, 257740, 260680, 270627, 279832, 299820, 309288, 349790, 360836, 386610, 391020, 419748, 451045, 489706, 515480, 524685, 541254, 599640, 699580, 721672, 734559, 773220, 782040, 839496, 902090, 979412, 1049370, 1082508, 1224265, 1353135, 1399160, 1469118, 1546440, 1713971, 1804180, 1958824, 2098740, 2165016, 2448530, 2706270, 2938236, 3427942, 3608360, 3672795, 4197480, 4897060, 5141913, 5412540, 5876472, 6855884, 7345590, 8569855, 9794120, 10283826, 10825080, 13711768, 14691180, 17139710, 20567652, 25709565, 29382360, 34279420, 41135304, 51419130, 68558840, 102838260, 205676520]

約数ペア:

[(1, 205676520), (2, 102838260), (3, 68558840), (4, 51419130), (5, 41135304), (6, 34279420), (7, 29382360), (8, 25709565), (10, 20567652), (12, 17139710), (14, 14691180), (15, 13711768), (19, 10825080), (20, 10283826), (21, 9794120), (24, 8569855), (28, 7345590), (30, 6855884), (35, 5876472), (38, 5412540), (40, 5141913), (42, 4897060), (49, 4197480), (56, 3672795), (57, 3608360), (60, 3427942), (70, 2938236), (76, 2706270), (84, 2448530), (95, 2165016), (98, 2098740), (105, 1958824), (114, 1804180), (120, 1713971), (133, 1546440), (140, 1469118), (147, 1399160), (152, 1353135), (168, 1224265), (190, 1082508), (196, 1049370), (210, 979412), (228, 902090), (245, 839496), (263, 782040), (266, 773220), (280, 734559), (285, 721672), (294, 699580), (343, 599640), (380, 541254), (392, 524685), (399, 515480), (420, 489706), (456, 451045), (490, 419748), (526, 391020), (532, 386610), (570, 360836), (588, 349790), (665, 309288), (686, 299820), (735, 279832), (760, 270627), (789, 260680), (798, 257740), (840, 244853), (931, 220920), (980, 209874), (1029, 199880), (1052, 195510), (1064, 193305), (1140, 180418), (1176, 174895), (1315, 156408), (1330, 154644), (1372, 149910), (1470, 139916), (1578, 130340), (1596, 128870), (1715, 119928), (1841, 111720), (1862, 110460), (1960, 104937), (1995, 103096), (2058, 99940), (2104, 97755), (2280, 90209), (2630, 78204), (2660, 77322), (2744, 74955), (2793, 73640), (2940, 69958), (3156, 65170), (3192, 64435), (3430, 59964), (3682, 55860), (3724, 55230), (3945, 52136), (3990, 51548), (4116, 49970), (4655, 44184), (4997, 41160), (5145, 39976), (5260, 39102), (5320, 38661), (5523, 37240), (5586, 36820), (5880, 34979), (6312, 32585), (6517, 31560), (6860, 29982), (7364, 27930), (7448, 27615), (7890, 26068), (7980, 25774), (8232, 24985), (9205, 22344), (9310, 22092), (9994, 20580), (10290, 19988), (10520, 19551), (11046, 18620), (11172, 18410), (12887, 15960), (13034, 15780), (13720, 14991), (13965, 14728)]