20504641680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{5407}}^1$

素因数の和:5678

約数の個数: 240

約数和(自身を含む): 72182522880

約数和(自身を除く): 51677881200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 229, 230, 240, 276, 345, 360, 368, 414, 458, 460, 552, 687, 690, 720, 828, 916, 920, 1035, 1104, 1145, 1374, 1380, 1656, 1832, 1840, 2061, 2070, 2290, 2748, 2760, 3312, 3435, 3664, 4122, 4140, 4580, 5267, 5407, 5496, 5520, 6870, 8244, 8280, 9160, 10305, 10534, 10814, 10992, 13740, 15801, 16221, 16488, 16560, 18320, 20610, 21068, 21628, 26335, 27035, 27480, 31602, 32442, 32976, 41220, 42136, 43256, 47403, 48663, 52670, 54070, 54960, 63204, 64884, 79005, 81105, 82440, 84272, 86512, 94806, 97326, 105340, 108140, 124361, 126408, 129768, 158010, 162210, 164880, 189612, 194652, 210680, 216280, 237015, 243315, 248722, 252816, 259536, 316020, 324420, 373083, 379224, 389304, 421360, 432560, 474030, 486630, 497444, 621805, 632040, 648840, 746166, 758448, 778608, 948060, 973260, 994888, 1119249, 1238203, 1243610, 1264080, 1297680, 1492332, 1865415, 1896120, 1946520, 1989776, 2238498, 2476406, 2487220, 2984664, 3714609, 3730830, 3792240, 3893040, 4476996, 4952812, 4974440, 5596245, 5969328, 6191015, 7429218, 7461660, 8953992, 9905624, 9948880, 11143827, 11192490, 12382030, 14858436, 14923320, 17907984, 18573045, 19811248, 22287654, 22384980, 24764060, 28478669, 29716872, 29846640, 37146090, 44575308, 44769960, 49528120, 55719135, 56957338, 59433744, 74292180, 85436007, 89150616, 89539920, 99056240, 111438270, 113914676, 142393345, 148584360, 170872014, 178301232, 222876540, 227829352, 256308021, 284786690, 297168720, 341744028, 427180035, 445753080, 455658704, 512616042, 569573380, 683488056, 854360070, 891506160, 1025232084, 1139146760, 1281540105, 1366976112, 1708720140, 2050464168, 2278293520, 2563080210, 3417440280, 4100928336, 5126160420, 6834880560, 10252320840, 20504641680]

約数ペア:

[(1, 20504641680), (2, 10252320840), (3, 6834880560), (4, 5126160420), (5, 4100928336), (6, 3417440280), (8, 2563080210), (9, 2278293520), (10, 2050464168), (12, 1708720140), (15, 1366976112), (16, 1281540105), (18, 1139146760), (20, 1025232084), (23, 891506160), (24, 854360070), (30, 683488056), (36, 569573380), (40, 512616042), (45, 455658704), (46, 445753080), (48, 427180035), (60, 341744028), (69, 297168720), (72, 284786690), (80, 256308021), (90, 227829352), (92, 222876540), (115, 178301232), (120, 170872014), (138, 148584360), (144, 142393345), (180, 113914676), (184, 111438270), (207, 99056240), (229, 89539920), (230, 89150616), (240, 85436007), (276, 74292180), (345, 59433744), (360, 56957338), (368, 55719135), (414, 49528120), (458, 44769960), (460, 44575308), (552, 37146090), (687, 29846640), (690, 29716872), (720, 28478669), (828, 24764060), (916, 22384980), (920, 22287654), (1035, 19811248), (1104, 18573045), (1145, 17907984), (1374, 14923320), (1380, 14858436), (1656, 12382030), (1832, 11192490), (1840, 11143827), (2061, 9948880), (2070, 9905624), (2290, 8953992), (2748, 7461660), (2760, 7429218), (3312, 6191015), (3435, 5969328), (3664, 5596245), (4122, 4974440), (4140, 4952812), (4580, 4476996), (5267, 3893040), (5407, 3792240), (5496, 3730830), (5520, 3714609), (6870, 2984664), (8244, 2487220), (8280, 2476406), (9160, 2238498), (10305, 1989776), (10534, 1946520), (10814, 1896120), (10992, 1865415), (13740, 1492332), (15801, 1297680), (16221, 1264080), (16488, 1243610), (16560, 1238203), (18320, 1119249), (20610, 994888), (21068, 973260), (21628, 948060), (26335, 778608), (27035, 758448), (27480, 746166), (31602, 648840), (32442, 632040), (32976, 621805), (41220, 497444), (42136, 486630), (43256, 474030), (47403, 432560), (48663, 421360), (52670, 389304), (54070, 379224), (54960, 373083), (63204, 324420), (64884, 316020), (79005, 259536), (81105, 252816), (82440, 248722), (84272, 243315), (86512, 237015), (94806, 216280), (97326, 210680), (105340, 194652), (108140, 189612), (124361, 164880), (126408, 162210), (129768, 158010)]