311251920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 320

約数和(自身を含む): 1190400000

約数和(自身を除く): 879148080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 199, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 343, 380, 392, 398, 399, 420, 456, 490, 532, 560, 570, 588, 597, 665, 686, 735, 760, 784, 796, 798, 840, 912, 931, 980, 995, 1029, 1064, 1140, 1176, 1194, 1330, 1372, 1393, 1470, 1520, 1592, 1596, 1680, 1715, 1862, 1960, 1990, 1995, 2058, 2128, 2280, 2352, 2388, 2660, 2744, 2786, 2793, 2940, 2985, 3184, 3192, 3430, 3724, 3781, 3920, 3980, 3990, 4116, 4179, 4560, 4655, 4776, 5145, 5320, 5488, 5572, 5586, 5880, 5970, 6384, 6517, 6860, 6965, 7448, 7562, 7960, 7980, 8232, 8358, 9310, 9552, 9751, 10290, 10640, 11144, 11172, 11343, 11760, 11940, 13034, 13720, 13930, 13965, 14896, 15124, 15920, 15960, 16464, 16716, 18620, 18905, 19502, 19551, 20580, 20895, 22288, 22344, 22686, 23880, 26068, 26467, 27440, 27860, 27930, 29253, 30248, 31920, 32585, 33432, 37240, 37810, 39004, 39102, 41160, 41790, 44688, 45372, 47760, 48755, 52136, 52934, 55720, 55860, 56715, 58506, 60496, 65170, 66864, 68257, 74480, 75620, 78008, 78204, 79401, 82320, 83580, 90744, 97510, 97755, 104272, 105868, 111440, 111720, 113430, 117012, 130340, 132335, 136514, 146265, 151240, 156016, 156408, 158802, 167160, 181488, 185269, 195020, 195510, 204771, 211736, 223440, 226860, 234024, 260680, 264670, 273028, 292530, 302480, 312816, 317604, 334320, 341285, 370538, 390040, 391020, 397005, 409542, 423472, 453720, 468048, 521360, 529340, 546056, 555807, 585060, 635208, 682570, 741076, 780080, 782040, 794010, 819084, 907440, 926345, 1023855, 1058680, 1092112, 1111614, 1170120, 1270416, 1296883, 1365140, 1482152, 1564080, 1588020, 1638168, 1852690, 2047710, 2117360, 2223228, 2340240, 2593766, 2730280, 2779035, 2964304, 3176040, 3276336, 3705380, 3890649, 4095420, 4446456, 5187532, 5460560, 5558070, 6352080, 6484415, 7410760, 7781298, 8190840, 8892912, 10375064, 11116140, 12968830, 14821520, 15562596, 16381680, 19453245, 20750128, 22232280, 25937660, 31125192, 38906490, 44464560, 51875320, 62250384, 77812980, 103750640, 155625960, 311251920]

約数ペア:

[(1, 311251920), (2, 155625960), (3, 103750640), (4, 77812980), (5, 62250384), (6, 51875320), (7, 44464560), (8, 38906490), (10, 31125192), (12, 25937660), (14, 22232280), (15, 20750128), (16, 19453245), (19, 16381680), (20, 15562596), (21, 14821520), (24, 12968830), (28, 11116140), (30, 10375064), (35, 8892912), (38, 8190840), (40, 7781298), (42, 7410760), (48, 6484415), (49, 6352080), (56, 5558070), (57, 5460560), (60, 5187532), (70, 4446456), (76, 4095420), (80, 3890649), (84, 3705380), (95, 3276336), (98, 3176040), (105, 2964304), (112, 2779035), (114, 2730280), (120, 2593766), (133, 2340240), (140, 2223228), (147, 2117360), (152, 2047710), (168, 1852690), (190, 1638168), (196, 1588020), (199, 1564080), (210, 1482152), (228, 1365140), (240, 1296883), (245, 1270416), (266, 1170120), (280, 1111614), (285, 1092112), (294, 1058680), (304, 1023855), (336, 926345), (343, 907440), (380, 819084), (392, 794010), (398, 782040), (399, 780080), (420, 741076), (456, 682570), (490, 635208), (532, 585060), (560, 555807), (570, 546056), (588, 529340), (597, 521360), (665, 468048), (686, 453720), (735, 423472), (760, 409542), (784, 397005), (796, 391020), (798, 390040), (840, 370538), (912, 341285), (931, 334320), (980, 317604), (995, 312816), (1029, 302480), (1064, 292530), (1140, 273028), (1176, 264670), (1194, 260680), (1330, 234024), (1372, 226860), (1393, 223440), (1470, 211736), (1520, 204771), (1592, 195510), (1596, 195020), (1680, 185269), (1715, 181488), (1862, 167160), (1960, 158802), (1990, 156408), (1995, 156016), (2058, 151240), (2128, 146265), (2280, 136514), (2352, 132335), (2388, 130340), (2660, 117012), (2744, 113430), (2786, 111720), (2793, 111440), (2940, 105868), (2985, 104272), (3184, 97755), (3192, 97510), (3430, 90744), (3724, 83580), (3781, 82320), (3920, 79401), (3980, 78204), (3990, 78008), (4116, 75620), (4179, 74480), (4560, 68257), (4655, 66864), (4776, 65170), (5145, 60496), (5320, 58506), (5488, 56715), (5572, 55860), (5586, 55720), (5880, 52934), (5970, 52136), (6384, 48755), (6517, 47760), (6860, 45372), (6965, 44688), (7448, 41790), (7562, 41160), (7960, 39102), (7980, 39004), (8232, 37810), (8358, 37240), (9310, 33432), (9552, 32585), (9751, 31920), (10290, 30248), (10640, 29253), (11144, 27930), (11172, 27860), (11343, 27440), (11760, 26467), (11940, 26068), (13034, 23880), (13720, 22686), (13930, 22344), (13965, 22288), (14896, 20895), (15124, 20580), (15920, 19551), (15960, 19502), (16464, 18905), (16716, 18620)]