256889880

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 384

約数和(自身を含む): 990662400

約数和(自身を除く): 733772520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 81, 90, 95, 104, 107, 108, 114, 117, 120, 130, 135, 152, 156, 162, 171, 180, 190, 195, 214, 216, 228, 234, 243, 247, 260, 270, 285, 312, 321, 324, 342, 351, 360, 380, 390, 405, 428, 456, 468, 486, 494, 513, 520, 535, 540, 570, 585, 642, 648, 684, 702, 741, 760, 780, 810, 855, 856, 936, 963, 972, 988, 1026, 1053, 1070, 1080, 1140, 1170, 1215, 1235, 1284, 1368, 1391, 1404, 1482, 1539, 1560, 1605, 1620, 1710, 1755, 1926, 1944, 1976, 2033, 2052, 2106, 2140, 2223, 2280, 2340, 2430, 2470, 2565, 2568, 2782, 2808, 2889, 2964, 3078, 3159, 3210, 3240, 3420, 3510, 3705, 3852, 4066, 4104, 4173, 4212, 4280, 4446, 4617, 4680, 4815, 4860, 4940, 5130, 5265, 5564, 5778, 5928, 6099, 6156, 6318, 6420, 6669, 6840, 6955, 7020, 7410, 7695, 7704, 8132, 8346, 8424, 8667, 8892, 9234, 9630, 9720, 9880, 10165, 10260, 10530, 11115, 11128, 11556, 12198, 12312, 12519, 12636, 12840, 13338, 13910, 14040, 14445, 14820, 15390, 15795, 16264, 16692, 17334, 17784, 18297, 18468, 19260, 20007, 20330, 20520, 20865, 21060, 22230, 23085, 23112, 24396, 25038, 25272, 26001, 26429, 26676, 27820, 28890, 29640, 30495, 30780, 31590, 33345, 33384, 34668, 36594, 36936, 37557, 38520, 40014, 40660, 41730, 42120, 43335, 44460, 46170, 48792, 50076, 52002, 52858, 53352, 54891, 55640, 57780, 60021, 60990, 61560, 62595, 63180, 66690, 69336, 73188, 75114, 79287, 80028, 81320, 83460, 86670, 88920, 91485, 92340, 100035, 100152, 104004, 105716, 109782, 112671, 115560, 120042, 121980, 125190, 126360, 130005, 132145, 133380, 146376, 150228, 158574, 160056, 164673, 166920, 173340, 182970, 184680, 187785, 200070, 208008, 211432, 219564, 225342, 237861, 240084, 243960, 250380, 260010, 264290, 266760, 274455, 300105, 300456, 317148, 329346, 338013, 346680, 365940, 375570, 396435, 400140, 439128, 450684, 475722, 480168, 494019, 500760, 520020, 528580, 548910, 563355, 600210, 634296, 658692, 676026, 713583, 731880, 751140, 792870, 800280, 823365, 901368, 951444, 988038, 1040040, 1057160, 1097820, 1126710, 1189305, 1200420, 1317384, 1352052, 1427166, 1502280, 1585740, 1646730, 1690065, 1902888, 1976076, 2140749, 2195640, 2253420, 2378610, 2400840, 2470095, 2704104, 2854332, 3171480, 3293460, 3380130, 3567915, 3952152, 4281498, 4506840, 4757220, 4940190, 5708664, 6422247, 6586920, 6760260, 7135830, 8562996, 9514440, 9880380, 10703745, 12844494, 13520520, 14271660, 17125992, 19760760, 21407490, 25688988, 28543320, 32111235, 42814980, 51377976, 64222470, 85629960, 128444940, 256889880]

約数ペア:

[(1, 256889880), (2, 128444940), (3, 85629960), (4, 64222470), (5, 51377976), (6, 42814980), (8, 32111235), (9, 28543320), (10, 25688988), (12, 21407490), (13, 19760760), (15, 17125992), (18, 14271660), (19, 13520520), (20, 12844494), (24, 10703745), (26, 9880380), (27, 9514440), (30, 8562996), (36, 7135830), (38, 6760260), (39, 6586920), (40, 6422247), (45, 5708664), (52, 4940190), (54, 4757220), (57, 4506840), (60, 4281498), (65, 3952152), (72, 3567915), (76, 3380130), (78, 3293460), (81, 3171480), (90, 2854332), (95, 2704104), (104, 2470095), (107, 2400840), (108, 2378610), (114, 2253420), (117, 2195640), (120, 2140749), (130, 1976076), (135, 1902888), (152, 1690065), (156, 1646730), (162, 1585740), (171, 1502280), (180, 1427166), (190, 1352052), (195, 1317384), (214, 1200420), (216, 1189305), (228, 1126710), (234, 1097820), (243, 1057160), (247, 1040040), (260, 988038), (270, 951444), (285, 901368), (312, 823365), (321, 800280), (324, 792870), (342, 751140), (351, 731880), (360, 713583), (380, 676026), (390, 658692), (405, 634296), (428, 600210), (456, 563355), (468, 548910), (486, 528580), (494, 520020), (513, 500760), (520, 494019), (535, 480168), (540, 475722), (570, 450684), (585, 439128), (642, 400140), (648, 396435), (684, 375570), (702, 365940), (741, 346680), (760, 338013), (780, 329346), (810, 317148), (855, 300456), (856, 300105), (936, 274455), (963, 266760), (972, 264290), (988, 260010), (1026, 250380), (1053, 243960), (1070, 240084), (1080, 237861), (1140, 225342), (1170, 219564), (1215, 211432), (1235, 208008), (1284, 200070), (1368, 187785), (1391, 184680), (1404, 182970), (1482, 173340), (1539, 166920), (1560, 164673), (1605, 160056), (1620, 158574), (1710, 150228), (1755, 146376), (1926, 133380), (1944, 132145), (1976, 130005), (2033, 126360), (2052, 125190), (2106, 121980), (2140, 120042), (2223, 115560), (2280, 112671), (2340, 109782), (2430, 105716), (2470, 104004), (2565, 100152), (2568, 100035), (2782, 92340), (2808, 91485), (2889, 88920), (2964, 86670), (3078, 83460), (3159, 81320), (3210, 80028), (3240, 79287), (3420, 75114), (3510, 73188), (3705, 69336), (3852, 66690), (4066, 63180), (4104, 62595), (4173, 61560), (4212, 60990), (4280, 60021), (4446, 57780), (4617, 55640), (4680, 54891), (4815, 53352), (4860, 52858), (4940, 52002), (5130, 50076), (5265, 48792), (5564, 46170), (5778, 44460), (5928, 43335), (6099, 42120), (6156, 41730), (6318, 40660), (6420, 40014), (6669, 38520), (6840, 37557), (6955, 36936), (7020, 36594), (7410, 34668), (7695, 33384), (7704, 33345), (8132, 31590), (8346, 30780), (8424, 30495), (8667, 29640), (8892, 28890), (9234, 27820), (9630, 26676), (9720, 26429), (9880, 26001), (10165, 25272), (10260, 25038), (10530, 24396), (11115, 23112), (11128, 23085), (11556, 22230), (12198, 21060), (12312, 20865), (12519, 20520), (12636, 20330), (12840, 20007), (13338, 19260), (13910, 18468), (14040, 18297), (14445, 17784), (14820, 17334), (15390, 16692), (15795, 16264)]