639367680

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{1699}}^1$

素因数の和:1739

約数の個数: 240

約数和(自身を含む): 2379088800

約数和(自身を除く): 1739721120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1699, 1792, 1920, 1960, 2240, 2352, 2560, 2688, 2940, 3136, 3360, 3398, 3584, 3840, 3920, 4480, 4704, 5097, 5376, 5880, 6272, 6720, 6796, 7680, 7840, 8495, 8960, 9408, 10194, 10752, 11760, 11893, 12544, 13440, 13592, 15680, 16990, 17920, 18816, 20388, 23520, 23786, 25088, 25485, 26880, 27184, 31360, 33980, 35679, 37632, 40776, 47040, 47572, 50970, 53760, 54368, 59465, 62720, 67960, 71358, 75264, 81552, 83251, 94080, 95144, 101940, 108736, 118930, 125440, 135920, 142716, 163104, 166502, 178395, 188160, 190288, 203880, 217472, 237860, 249753, 271840, 285432, 326208, 333004, 356790, 376320, 380576, 407760, 416255, 434944, 475720, 499506, 543680, 570864, 652416, 666008, 713580, 761152, 815520, 832510, 869888, 951440, 999012, 1087360, 1141728, 1248765, 1304832, 1332016, 1427160, 1522304, 1631040, 1665020, 1902880, 1998024, 2174720, 2283456, 2497530, 2609664, 2664032, 2854320, 3044608, 3262080, 3330040, 3805760, 3996048, 4349440, 4566912, 4995060, 5328064, 5708640, 6089216, 6524160, 6660080, 7611520, 7992096, 9133824, 9990120, 10656128, 11417280, 13048320, 13320160, 15223040, 15984192, 18267648, 19980240, 21312256, 22834560, 26640320, 30446080, 31968384, 39960480, 42624512, 45669120, 53280640, 63936768, 79920960, 91338240, 106561280, 127873536, 159841920, 213122560, 319683840, 639367680]

約数ペア:

[(1, 639367680), (2, 319683840), (3, 213122560), (4, 159841920), (5, 127873536), (6, 106561280), (7, 91338240), (8, 79920960), (10, 63936768), (12, 53280640), (14, 45669120), (15, 42624512), (16, 39960480), (20, 31968384), (21, 30446080), (24, 26640320), (28, 22834560), (30, 21312256), (32, 19980240), (35, 18267648), (40, 15984192), (42, 15223040), (48, 13320160), (49, 13048320), (56, 11417280), (60, 10656128), (64, 9990120), (70, 9133824), (80, 7992096), (84, 7611520), (96, 6660080), (98, 6524160), (105, 6089216), (112, 5708640), (120, 5328064), (128, 4995060), (140, 4566912), (147, 4349440), (160, 3996048), (168, 3805760), (192, 3330040), (196, 3262080), (210, 3044608), (224, 2854320), (240, 2664032), (245, 2609664), (256, 2497530), (280, 2283456), (294, 2174720), (320, 1998024), (336, 1902880), (384, 1665020), (392, 1631040), (420, 1522304), (448, 1427160), (480, 1332016), (490, 1304832), (512, 1248765), (560, 1141728), (588, 1087360), (640, 999012), (672, 951440), (735, 869888), (768, 832510), (784, 815520), (840, 761152), (896, 713580), (960, 666008), (980, 652416), (1120, 570864), (1176, 543680), (1280, 499506), (1344, 475720), (1470, 434944), (1536, 416255), (1568, 407760), (1680, 380576), (1699, 376320), (1792, 356790), (1920, 333004), (1960, 326208), (2240, 285432), (2352, 271840), (2560, 249753), (2688, 237860), (2940, 217472), (3136, 203880), (3360, 190288), (3398, 188160), (3584, 178395), (3840, 166502), (3920, 163104), (4480, 142716), (4704, 135920), (5097, 125440), (5376, 118930), (5880, 108736), (6272, 101940), (6720, 95144), (6796, 94080), (7680, 83251), (7840, 81552), (8495, 75264), (8960, 71358), (9408, 67960), (10194, 62720), (10752, 59465), (11760, 54368), (11893, 53760), (12544, 50970), (13440, 47572), (13592, 47040), (15680, 40776), (16990, 37632), (17920, 35679), (18816, 33980), (20388, 31360), (23520, 27184), (23786, 26880), (25088, 25485)]