989085720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 256

約数和(自身を含む): 3499776000

約数和(自身を除く): 2510690280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 97, 105, 120, 122, 140, 168, 183, 194, 199, 210, 244, 280, 291, 305, 366, 388, 398, 420, 427, 485, 488, 582, 597, 610, 679, 732, 776, 796, 840, 854, 915, 970, 995, 1164, 1194, 1220, 1281, 1358, 1393, 1455, 1464, 1592, 1708, 1830, 1940, 1990, 2037, 2135, 2328, 2388, 2440, 2562, 2716, 2786, 2910, 2985, 3395, 3416, 3660, 3880, 3980, 4074, 4179, 4270, 4776, 5124, 5432, 5572, 5820, 5917, 5970, 6405, 6790, 6965, 7320, 7960, 8148, 8358, 8540, 10185, 10248, 11144, 11640, 11834, 11940, 12139, 12810, 13580, 13930, 16296, 16716, 17080, 17751, 19303, 20370, 20895, 23668, 23880, 24278, 25620, 27160, 27860, 29585, 33432, 35502, 36417, 38606, 40740, 41419, 41790, 47336, 48556, 51240, 55720, 57909, 59170, 60695, 71004, 72834, 77212, 81480, 82838, 83580, 84973, 88755, 96515, 97112, 115818, 118340, 121390, 124257, 135121, 142008, 145668, 154424, 165676, 167160, 169946, 177510, 182085, 193030, 207095, 231636, 236680, 242780, 248514, 254919, 270242, 289545, 291336, 331352, 339892, 355020, 364170, 386060, 405363, 414190, 424865, 463272, 485560, 497028, 509838, 540484, 579090, 621285, 675605, 679784, 710040, 728340, 772120, 810726, 828380, 849730, 994056, 1019676, 1080968, 1158180, 1177483, 1242570, 1274595, 1351210, 1456680, 1621452, 1656760, 1699460, 2026815, 2039352, 2316360, 2354966, 2485140, 2549190, 2702420, 3242904, 3398920, 3532449, 4053630, 4709932, 4970280, 5098380, 5404840, 5887415, 7064898, 8107260, 8242381, 9419864, 10196760, 11774830, 14129796, 16214520, 16484762, 17662245, 23549660, 24727143, 28259592, 32969524, 35324490, 41211905, 47099320, 49454286, 65939048, 70648980, 82423810, 98908572, 123635715, 141297960, 164847620, 197817144, 247271430, 329695240, 494542860, 989085720]

約数ペア:

[(1, 989085720), (2, 494542860), (3, 329695240), (4, 247271430), (5, 197817144), (6, 164847620), (7, 141297960), (8, 123635715), (10, 98908572), (12, 82423810), (14, 70648980), (15, 65939048), (20, 49454286), (21, 47099320), (24, 41211905), (28, 35324490), (30, 32969524), (35, 28259592), (40, 24727143), (42, 23549660), (56, 17662245), (60, 16484762), (61, 16214520), (70, 14129796), (84, 11774830), (97, 10196760), (105, 9419864), (120, 8242381), (122, 8107260), (140, 7064898), (168, 5887415), (183, 5404840), (194, 5098380), (199, 4970280), (210, 4709932), (244, 4053630), (280, 3532449), (291, 3398920), (305, 3242904), (366, 2702420), (388, 2549190), (398, 2485140), (420, 2354966), (427, 2316360), (485, 2039352), (488, 2026815), (582, 1699460), (597, 1656760), (610, 1621452), (679, 1456680), (732, 1351210), (776, 1274595), (796, 1242570), (840, 1177483), (854, 1158180), (915, 1080968), (970, 1019676), (995, 994056), (1164, 849730), (1194, 828380), (1220, 810726), (1281, 772120), (1358, 728340), (1393, 710040), (1455, 679784), (1464, 675605), (1592, 621285), (1708, 579090), (1830, 540484), (1940, 509838), (1990, 497028), (2037, 485560), (2135, 463272), (2328, 424865), (2388, 414190), (2440, 405363), (2562, 386060), (2716, 364170), (2786, 355020), (2910, 339892), (2985, 331352), (3395, 291336), (3416, 289545), (3660, 270242), (3880, 254919), (3980, 248514), (4074, 242780), (4179, 236680), (4270, 231636), (4776, 207095), (5124, 193030), (5432, 182085), (5572, 177510), (5820, 169946), (5917, 167160), (5970, 165676), (6405, 154424), (6790, 145668), (6965, 142008), (7320, 135121), (7960, 124257), (8148, 121390), (8358, 118340), (8540, 115818), (10185, 97112), (10248, 96515), (11144, 88755), (11640, 84973), (11834, 83580), (11940, 82838), (12139, 81480), (12810, 77212), (13580, 72834), (13930, 71004), (16296, 60695), (16716, 59170), (17080, 57909), (17751, 55720), (19303, 51240), (20370, 48556), (20895, 47336), (23668, 41790), (23880, 41419), (24278, 40740), (25620, 38606), (27160, 36417), (27860, 35502), (29585, 33432)]