1990920960

素因数分解:

$2^8\times 3^2\times 5^1\times 7^2\times {\mathrm{3527}}^1$

素因数の和:3568

約数の個数: 324

約数和(自身を含む): 8015284368

約数和(自身を除く): 6024363408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 256, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 768, 784, 840, 882, 896, 960, 980, 1008, 1120, 1152, 1176, 1260, 1280, 1344, 1440, 1470, 1568, 1680, 1764, 1792, 1920, 1960, 2016, 2205, 2240, 2304, 2352, 2520, 2688, 2880, 2940, 3136, 3360, 3527, 3528, 3840, 3920, 4032, 4410, 4480, 4704, 5040, 5376, 5760, 5880, 6272, 6720, 7054, 7056, 7840, 8064, 8820, 8960, 9408, 10080, 10581, 11520, 11760, 12544, 13440, 14108, 14112, 15680, 16128, 17635, 17640, 18816, 20160, 21162, 23520, 24689, 26880, 28216, 28224, 31360, 31743, 35270, 35280, 37632, 40320, 42324, 47040, 49378, 52905, 56432, 56448, 62720, 63486, 70540, 70560, 74067, 80640, 84648, 94080, 98756, 105810, 112864, 112896, 123445, 126972, 141080, 141120, 148134, 158715, 169296, 172823, 188160, 197512, 211620, 222201, 225728, 246890, 253944, 282160, 282240, 296268, 317430, 338592, 345646, 370335, 395024, 423240, 444402, 451456, 493780, 507888, 518469, 564320, 564480, 592536, 634860, 677184, 691292, 740670, 790048, 846480, 864115, 888804, 902912, 987560, 1015776, 1036938, 1111005, 1128640, 1185072, 1269720, 1354368, 1382584, 1481340, 1555407, 1580096, 1692960, 1728230, 1777608, 1975120, 2031552, 2073876, 2222010, 2257280, 2370144, 2539440, 2592345, 2708736, 2765168, 2962680, 3110814, 3160192, 3385920, 3456460, 3555216, 3950240, 4063104, 4147752, 4444020, 4514560, 4740288, 5078880, 5184690, 5530336, 5925360, 6221628, 6320384, 6771840, 6912920, 7110432, 7777035, 7900480, 8126208, 8295504, 8888040, 9480576, 10157760, 10369380, 11060672, 11850720, 12443256, 13543680, 13825840, 14220864, 15554070, 15800960, 16591008, 17776080, 18961152, 20315520, 20738760, 22121344, 23701440, 24886512, 27651680, 28441728, 31108140, 31601920, 33182016, 35552160, 40631040, 41477520, 44242688, 47402880, 49773024, 55303360, 56883456, 62216280, 66364032, 71104320, 82955040, 94805760, 99546048, 110606720, 124432560, 132728064, 142208640, 165910080, 199092096, 221213440, 248865120, 284417280, 331820160, 398184192, 497730240, 663640320, 995460480, 1990920960]

約数ペア:

[(1, 1990920960), (2, 995460480), (3, 663640320), (4, 497730240), (5, 398184192), (6, 331820160), (7, 284417280), (8, 248865120), (9, 221213440), (10, 199092096), (12, 165910080), (14, 142208640), (15, 132728064), (16, 124432560), (18, 110606720), (20, 99546048), (21, 94805760), (24, 82955040), (28, 71104320), (30, 66364032), (32, 62216280), (35, 56883456), (36, 55303360), (40, 49773024), (42, 47402880), (45, 44242688), (48, 41477520), (49, 40631040), (56, 35552160), (60, 33182016), (63, 31601920), (64, 31108140), (70, 28441728), (72, 27651680), (80, 24886512), (84, 23701440), (90, 22121344), (96, 20738760), (98, 20315520), (105, 18961152), (112, 17776080), (120, 16591008), (126, 15800960), (128, 15554070), (140, 14220864), (144, 13825840), (147, 13543680), (160, 12443256), (168, 11850720), (180, 11060672), (192, 10369380), (196, 10157760), (210, 9480576), (224, 8888040), (240, 8295504), (245, 8126208), (252, 7900480), (256, 7777035), (280, 7110432), (288, 6912920), (294, 6771840), (315, 6320384), (320, 6221628), (336, 5925360), (360, 5530336), (384, 5184690), (392, 5078880), (420, 4740288), (441, 4514560), (448, 4444020), (480, 4147752), (490, 4063104), (504, 3950240), (560, 3555216), (576, 3456460), (588, 3385920), (630, 3160192), (640, 3110814), (672, 2962680), (720, 2765168), (735, 2708736), (768, 2592345), (784, 2539440), (840, 2370144), (882, 2257280), (896, 2222010), (960, 2073876), (980, 2031552), (1008, 1975120), (1120, 1777608), (1152, 1728230), (1176, 1692960), (1260, 1580096), (1280, 1555407), (1344, 1481340), (1440, 1382584), (1470, 1354368), (1568, 1269720), (1680, 1185072), (1764, 1128640), (1792, 1111005), (1920, 1036938), (1960, 1015776), (2016, 987560), (2205, 902912), (2240, 888804), (2304, 864115), (2352, 846480), (2520, 790048), (2688, 740670), (2880, 691292), (2940, 677184), (3136, 634860), (3360, 592536), (3527, 564480), (3528, 564320), (3840, 518469), (3920, 507888), (4032, 493780), (4410, 451456), (4480, 444402), (4704, 423240), (5040, 395024), (5376, 370335), (5760, 345646), (5880, 338592), (6272, 317430), (6720, 296268), (7054, 282240), (7056, 282160), (7840, 253944), (8064, 246890), (8820, 225728), (8960, 222201), (9408, 211620), (10080, 197512), (10581, 188160), (11520, 172823), (11760, 169296), (12544, 158715), (13440, 148134), (14108, 141120), (14112, 141080), (15680, 126972), (16128, 123445), (17635, 112896), (17640, 112864), (18816, 105810), (20160, 98756), (21162, 94080), (23520, 84648), (24689, 80640), (26880, 74067), (28216, 70560), (28224, 70540), (31360, 63486), (31743, 62720), (35270, 56448), (35280, 56432), (37632, 52905), (40320, 49378), (42324, 47040)]