253421280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:870

約数の個数: 288

約数和(自身を含む): 1021483008

約数和(自身を除く): 768061728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 811, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1622, 1680, 1736, 1860, 1953, 2016, 2170, 2232, 2433, 2480, 2520, 2604, 2790, 2976, 3244, 3255, 3360, 3472, 3720, 3906, 4055, 4340, 4464, 4866, 4960, 5040, 5208, 5580, 5677, 6488, 6510, 6944, 7299, 7440, 7812, 8110, 8680, 8928, 9732, 9765, 10080, 10416, 11160, 11354, 12165, 12976, 13020, 14598, 14880, 15624, 16220, 17031, 17360, 19464, 19530, 20832, 22320, 22708, 24330, 25141, 25952, 26040, 28385, 29196, 31248, 32440, 34062, 34720, 36495, 38928, 39060, 44640, 45416, 48660, 50282, 51093, 52080, 56770, 58392, 62496, 64880, 68124, 72990, 75423, 77856, 78120, 85155, 90832, 97320, 100564, 102186, 104160, 113540, 116784, 125705, 129760, 136248, 145980, 150846, 156240, 170310, 175987, 181664, 194640, 201128, 204372, 226269, 227080, 233568, 251410, 255465, 272496, 291960, 301692, 312480, 340620, 351974, 377115, 389280, 402256, 408744, 452538, 454160, 502820, 510930, 527961, 544992, 583920, 603384, 681240, 703948, 754230, 804512, 817488, 879935, 905076, 908320, 1005640, 1021860, 1055922, 1131345, 1167840, 1206768, 1362480, 1407896, 1508460, 1583883, 1634976, 1759870, 1810152, 2011280, 2043720, 2111844, 2262690, 2413536, 2639805, 2724960, 2815792, 3016920, 3167766, 3519740, 3620304, 4022560, 4087440, 4223688, 4525380, 5279610, 5631584, 6033840, 6335532, 7039480, 7240608, 7919415, 8174880, 8447376, 9050760, 10559220, 12067680, 12671064, 14078960, 15838830, 16894752, 18101520, 21118440, 25342128, 28157920, 31677660, 36203040, 42236880, 50684256, 63355320, 84473760, 126710640, 253421280]

約数ペア:

[(1, 253421280), (2, 126710640), (3, 84473760), (4, 63355320), (5, 50684256), (6, 42236880), (7, 36203040), (8, 31677660), (9, 28157920), (10, 25342128), (12, 21118440), (14, 18101520), (15, 16894752), (16, 15838830), (18, 14078960), (20, 12671064), (21, 12067680), (24, 10559220), (28, 9050760), (30, 8447376), (31, 8174880), (32, 7919415), (35, 7240608), (36, 7039480), (40, 6335532), (42, 6033840), (45, 5631584), (48, 5279610), (56, 4525380), (60, 4223688), (62, 4087440), (63, 4022560), (70, 3620304), (72, 3519740), (80, 3167766), (84, 3016920), (90, 2815792), (93, 2724960), (96, 2639805), (105, 2413536), (112, 2262690), (120, 2111844), (124, 2043720), (126, 2011280), (140, 1810152), (144, 1759870), (155, 1634976), (160, 1583883), (168, 1508460), (180, 1407896), (186, 1362480), (210, 1206768), (217, 1167840), (224, 1131345), (240, 1055922), (248, 1021860), (252, 1005640), (279, 908320), (280, 905076), (288, 879935), (310, 817488), (315, 804512), (336, 754230), (360, 703948), (372, 681240), (420, 603384), (434, 583920), (465, 544992), (480, 527961), (496, 510930), (504, 502820), (558, 454160), (560, 452538), (620, 408744), (630, 402256), (651, 389280), (672, 377115), (720, 351974), (744, 340620), (811, 312480), (840, 301692), (868, 291960), (930, 272496), (992, 255465), (1008, 251410), (1085, 233568), (1116, 227080), (1120, 226269), (1240, 204372), (1260, 201128), (1302, 194640), (1395, 181664), (1440, 175987), (1488, 170310), (1622, 156240), (1680, 150846), (1736, 145980), (1860, 136248), (1953, 129760), (2016, 125705), (2170, 116784), (2232, 113540), (2433, 104160), (2480, 102186), (2520, 100564), (2604, 97320), (2790, 90832), (2976, 85155), (3244, 78120), (3255, 77856), (3360, 75423), (3472, 72990), (3720, 68124), (3906, 64880), (4055, 62496), (4340, 58392), (4464, 56770), (4866, 52080), (4960, 51093), (5040, 50282), (5208, 48660), (5580, 45416), (5677, 44640), (6488, 39060), (6510, 38928), (6944, 36495), (7299, 34720), (7440, 34062), (7812, 32440), (8110, 31248), (8680, 29196), (8928, 28385), (9732, 26040), (9765, 25952), (10080, 25141), (10416, 24330), (11160, 22708), (11354, 22320), (12165, 20832), (12976, 19530), (13020, 19464), (14598, 17360), (14880, 17031), (15624, 16220)]