18957951480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{27809}}^1$

素因数の和:27878

約数の個数: 256

約数和(自身を含む): 67277952000

約数和(自身を除く): 48320000520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 23, 24, 26, 30, 38, 39, 40, 46, 52, 57, 60, 65, 69, 76, 78, 92, 95, 104, 114, 115, 120, 130, 138, 152, 156, 184, 190, 195, 228, 230, 247, 260, 276, 285, 299, 312, 345, 380, 390, 437, 456, 460, 494, 520, 552, 570, 598, 690, 741, 760, 780, 874, 897, 920, 988, 1140, 1196, 1235, 1311, 1380, 1482, 1495, 1560, 1748, 1794, 1976, 2185, 2280, 2392, 2470, 2622, 2760, 2964, 2990, 3496, 3588, 3705, 4370, 4485, 4940, 5244, 5681, 5928, 5980, 6555, 7176, 7410, 8740, 8970, 9880, 10488, 11362, 11960, 13110, 14820, 17043, 17480, 17940, 22724, 26220, 27809, 28405, 29640, 34086, 35880, 45448, 52440, 55618, 56810, 68172, 83427, 85215, 111236, 113620, 136344, 139045, 166854, 170430, 222472, 227240, 278090, 333708, 340860, 361517, 417135, 528371, 556180, 639607, 667416, 681720, 723034, 834270, 1056742, 1084551, 1112360, 1279214, 1446068, 1585113, 1668540, 1807585, 1918821, 2113484, 2169102, 2558428, 2641855, 2892136, 3170226, 3198035, 3337080, 3615170, 3837642, 4226968, 4338204, 5116856, 5283710, 5422755, 6340452, 6396070, 6868823, 7230340, 7675284, 7925565, 8314891, 8676408, 9594105, 10567420, 10845510, 12152533, 12680904, 12792140, 13737646, 14460680, 15350568, 15851130, 16629782, 19188210, 20606469, 21134840, 21691020, 24305066, 24944673, 25584280, 27475292, 31702260, 33259564, 34344115, 36457599, 38376420, 41212938, 41574455, 43382040, 48610132, 49889346, 54950584, 60762665, 63404520, 66519128, 68688230, 72915198, 76752840, 82425876, 83148910, 97220264, 99778692, 103032345, 121525330, 124723365, 137376460, 145830396, 157982929, 164851752, 166297820, 182287995, 199557384, 206064690, 243050660, 249446730, 274752920, 291660792, 315965858, 332595640, 364575990, 412129380, 473948787, 486101320, 498893460, 631931716, 729151980, 789914645, 824258760, 947897574, 997786920, 1263863432, 1458303960, 1579829290, 1895795148, 2369743935, 3159658580, 3791590296, 4739487870, 6319317160, 9478975740, 18957951480]

約数ペア:

[(1, 18957951480), (2, 9478975740), (3, 6319317160), (4, 4739487870), (5, 3791590296), (6, 3159658580), (8, 2369743935), (10, 1895795148), (12, 1579829290), (13, 1458303960), (15, 1263863432), (19, 997786920), (20, 947897574), (23, 824258760), (24, 789914645), (26, 729151980), (30, 631931716), (38, 498893460), (39, 486101320), (40, 473948787), (46, 412129380), (52, 364575990), (57, 332595640), (60, 315965858), (65, 291660792), (69, 274752920), (76, 249446730), (78, 243050660), (92, 206064690), (95, 199557384), (104, 182287995), (114, 166297820), (115, 164851752), (120, 157982929), (130, 145830396), (138, 137376460), (152, 124723365), (156, 121525330), (184, 103032345), (190, 99778692), (195, 97220264), (228, 83148910), (230, 82425876), (247, 76752840), (260, 72915198), (276, 68688230), (285, 66519128), (299, 63404520), (312, 60762665), (345, 54950584), (380, 49889346), (390, 48610132), (437, 43382040), (456, 41574455), (460, 41212938), (494, 38376420), (520, 36457599), (552, 34344115), (570, 33259564), (598, 31702260), (690, 27475292), (741, 25584280), (760, 24944673), (780, 24305066), (874, 21691020), (897, 21134840), (920, 20606469), (988, 19188210), (1140, 16629782), (1196, 15851130), (1235, 15350568), (1311, 14460680), (1380, 13737646), (1482, 12792140), (1495, 12680904), (1560, 12152533), (1748, 10845510), (1794, 10567420), (1976, 9594105), (2185, 8676408), (2280, 8314891), (2392, 7925565), (2470, 7675284), (2622, 7230340), (2760, 6868823), (2964, 6396070), (2990, 6340452), (3496, 5422755), (3588, 5283710), (3705, 5116856), (4370, 4338204), (4485, 4226968), (4940, 3837642), (5244, 3615170), (5681, 3337080), (5928, 3198035), (5980, 3170226), (6555, 2892136), (7176, 2641855), (7410, 2558428), (8740, 2169102), (8970, 2113484), (9880, 1918821), (10488, 1807585), (11362, 1668540), (11960, 1585113), (13110, 1446068), (14820, 1279214), (17043, 1112360), (17480, 1084551), (17940, 1056742), (22724, 834270), (26220, 723034), (27809, 681720), (28405, 667416), (29640, 639607), (34086, 556180), (35880, 528371), (45448, 417135), (52440, 361517), (55618, 340860), (56810, 333708), (68172, 278090), (83427, 227240), (85215, 222472), (111236, 170430), (113620, 166854), (136344, 139045)]