638860320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1128

約数の個数: 288

約数和(自身を含む): 2534837760

約数和(自身を除く): 1895977440

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, 56, 60, 61, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 122, 126, 140, 144, 160, 168, 180, 183, 210, 224, 240, 244, 252, 280, 288, 305, 315, 336, 360, 366, 420, 427, 480, 488, 504, 549, 560, 610, 630, 672, 720, 732, 840, 854, 915, 976, 1008, 1039, 1098, 1120, 1220, 1260, 1281, 1440, 1464, 1680, 1708, 1830, 1952, 2016, 2078, 2135, 2196, 2440, 2520, 2562, 2745, 2928, 3117, 3360, 3416, 3660, 3843, 4156, 4270, 4392, 4880, 5040, 5124, 5195, 5490, 5856, 6234, 6405, 6832, 7273, 7320, 7686, 8312, 8540, 8784, 9351, 9760, 10080, 10248, 10390, 10980, 12468, 12810, 13664, 14546, 14640, 15372, 15585, 16624, 17080, 17568, 18702, 19215, 20496, 20780, 21819, 21960, 24936, 25620, 29092, 29280, 30744, 31170, 33248, 34160, 36365, 37404, 38430, 40992, 41560, 43638, 43920, 46755, 49872, 51240, 58184, 61488, 62340, 63379, 65457, 68320, 72730, 74808, 76860, 83120, 87276, 87840, 93510, 99744, 102480, 109095, 116368, 122976, 124680, 126758, 130914, 145460, 149616, 153720, 166240, 174552, 187020, 190137, 204960, 218190, 232736, 249360, 253516, 261828, 290920, 299232, 307440, 316895, 327285, 349104, 374040, 380274, 436380, 443653, 498720, 507032, 523656, 570411, 581840, 614880, 633790, 654570, 698208, 748080, 760548, 872760, 887306, 950685, 1014064, 1047312, 1140822, 1163680, 1267580, 1309140, 1330959, 1496160, 1521096, 1745520, 1774612, 1901370, 2028128, 2094624, 2218265, 2281644, 2535160, 2618280, 2661918, 2852055, 3042192, 3491040, 3549224, 3802740, 3992877, 4436530, 4563288, 5070320, 5236560, 5323836, 5704110, 6084384, 6654795, 7098448, 7605480, 7985754, 8873060, 9126576, 10140640, 10473120, 10647672, 11408220, 13309590, 14196896, 15210960, 15971508, 17746120, 18253152, 19964385, 21295344, 22816440, 26619180, 30421920, 31943016, 35492240, 39928770, 42590688, 45632880, 53238360, 63886032, 70984480, 79857540, 91265760, 106476720, 127772064, 159715080, 212953440, 319430160, 638860320]

約数ペア:

[(1, 638860320), (2, 319430160), (3, 212953440), (4, 159715080), (5, 127772064), (6, 106476720), (7, 91265760), (8, 79857540), (9, 70984480), (10, 63886032), (12, 53238360), (14, 45632880), (15, 42590688), (16, 39928770), (18, 35492240), (20, 31943016), (21, 30421920), (24, 26619180), (28, 22816440), (30, 21295344), (32, 19964385), (35, 18253152), (36, 17746120), (40, 15971508), (42, 15210960), (45, 14196896), (48, 13309590), (56, 11408220), (60, 10647672), (61, 10473120), (63, 10140640), (70, 9126576), (72, 8873060), (80, 7985754), (84, 7605480), (90, 7098448), (96, 6654795), (105, 6084384), (112, 5704110), (120, 5323836), (122, 5236560), (126, 5070320), (140, 4563288), (144, 4436530), (160, 3992877), (168, 3802740), (180, 3549224), (183, 3491040), (210, 3042192), (224, 2852055), (240, 2661918), (244, 2618280), (252, 2535160), (280, 2281644), (288, 2218265), (305, 2094624), (315, 2028128), (336, 1901370), (360, 1774612), (366, 1745520), (420, 1521096), (427, 1496160), (480, 1330959), (488, 1309140), (504, 1267580), (549, 1163680), (560, 1140822), (610, 1047312), (630, 1014064), (672, 950685), (720, 887306), (732, 872760), (840, 760548), (854, 748080), (915, 698208), (976, 654570), (1008, 633790), (1039, 614880), (1098, 581840), (1120, 570411), (1220, 523656), (1260, 507032), (1281, 498720), (1440, 443653), (1464, 436380), (1680, 380274), (1708, 374040), (1830, 349104), (1952, 327285), (2016, 316895), (2078, 307440), (2135, 299232), (2196, 290920), (2440, 261828), (2520, 253516), (2562, 249360), (2745, 232736), (2928, 218190), (3117, 204960), (3360, 190137), (3416, 187020), (3660, 174552), (3843, 166240), (4156, 153720), (4270, 149616), (4392, 145460), (4880, 130914), (5040, 126758), (5124, 124680), (5195, 122976), (5490, 116368), (5856, 109095), (6234, 102480), (6405, 99744), (6832, 93510), (7273, 87840), (7320, 87276), (7686, 83120), (8312, 76860), (8540, 74808), (8784, 72730), (9351, 68320), (9760, 65457), (10080, 63379), (10248, 62340), (10390, 61488), (10980, 58184), (12468, 51240), (12810, 49872), (13664, 46755), (14546, 43920), (14640, 43638), (15372, 41560), (15585, 40992), (16624, 38430), (17080, 37404), (17568, 36365), (18702, 34160), (19215, 33248), (20496, 31170), (20780, 30744), (21819, 29280), (21960, 29092), (24936, 25620)]