28543320

素因数分解:

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

素因数の和:159

約数の個数: 256

約数和(自身を含む): 108864000

約数和(自身を除く): 80320680

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, 90, 95, 104, 107, 108, 114, 117, 120, 130, 135, 152, 156, 171, 180, 190, 195, 214, 216, 228, 234, 247, 260, 270, 285, 312, 321, 342, 351, 360, 380, 390, 428, 456, 468, 494, 513, 520, 535, 540, 570, 585, 642, 684, 702, 741, 760, 780, 855, 856, 936, 963, 988, 1026, 1070, 1080, 1140, 1170, 1235, 1284, 1368, 1391, 1404, 1482, 1560, 1605, 1710, 1755, 1926, 1976, 2033, 2052, 2140, 2223, 2280, 2340, 2470, 2565, 2568, 2782, 2808, 2889, 2964, 3210, 3420, 3510, 3705, 3852, 4066, 4104, 4173, 4280, 4446, 4680, 4815, 4940, 5130, 5564, 5778, 5928, 6099, 6420, 6669, 6840, 6955, 7020, 7410, 7704, 8132, 8346, 8892, 9630, 9880, 10165, 10260, 11115, 11128, 11556, 12198, 12519, 12840, 13338, 13910, 14040, 14445, 14820, 16264, 16692, 17784, 18297, 19260, 20330, 20520, 20865, 22230, 23112, 24396, 25038, 26429, 26676, 27820, 28890, 29640, 30495, 33345, 33384, 36594, 37557, 38520, 40660, 41730, 44460, 48792, 50076, 52858, 53352, 54891, 55640, 57780, 60990, 62595, 66690, 73188, 75114, 79287, 81320, 83460, 88920, 91485, 100152, 105716, 109782, 115560, 121980, 125190, 132145, 133380, 146376, 150228, 158574, 166920, 182970, 187785, 211432, 219564, 237861, 243960, 250380, 264290, 266760, 274455, 300456, 317148, 365940, 375570, 396435, 439128, 475722, 500760, 528580, 548910, 634296, 713583, 731880, 751140, 792870, 951444, 1057160, 1097820, 1189305, 1427166, 1502280, 1585740, 1902888, 2195640, 2378610, 2854332, 3171480, 3567915, 4757220, 5708664, 7135830, 9514440, 14271660, 28543320]

約数ペア:

[(1, 28543320), (2, 14271660), (3, 9514440), (4, 7135830), (5, 5708664), (6, 4757220), (8, 3567915), (9, 3171480), (10, 2854332), (12, 2378610), (13, 2195640), (15, 1902888), (18, 1585740), (19, 1502280), (20, 1427166), (24, 1189305), (26, 1097820), (27, 1057160), (30, 951444), (36, 792870), (38, 751140), (39, 731880), (40, 713583), (45, 634296), (52, 548910), (54, 528580), (57, 500760), (60, 475722), (65, 439128), (72, 396435), (76, 375570), (78, 365940), (90, 317148), (95, 300456), (104, 274455), (107, 266760), (108, 264290), (114, 250380), (117, 243960), (120, 237861), (130, 219564), (135, 211432), (152, 187785), (156, 182970), (171, 166920), (180, 158574), (190, 150228), (195, 146376), (214, 133380), (216, 132145), (228, 125190), (234, 121980), (247, 115560), (260, 109782), (270, 105716), (285, 100152), (312, 91485), (321, 88920), (342, 83460), (351, 81320), (360, 79287), (380, 75114), (390, 73188), (428, 66690), (456, 62595), (468, 60990), (494, 57780), (513, 55640), (520, 54891), (535, 53352), (540, 52858), (570, 50076), (585, 48792), (642, 44460), (684, 41730), (702, 40660), (741, 38520), (760, 37557), (780, 36594), (855, 33384), (856, 33345), (936, 30495), (963, 29640), (988, 28890), (1026, 27820), (1070, 26676), (1080, 26429), (1140, 25038), (1170, 24396), (1235, 23112), (1284, 22230), (1368, 20865), (1391, 20520), (1404, 20330), (1482, 19260), (1560, 18297), (1605, 17784), (1710, 16692), (1755, 16264), (1926, 14820), (1976, 14445), (2033, 14040), (2052, 13910), (2140, 13338), (2223, 12840), (2280, 12519), (2340, 12198), (2470, 11556), (2565, 11128), (2568, 11115), (2782, 10260), (2808, 10165), (2889, 9880), (2964, 9630), (3210, 8892), (3420, 8346), (3510, 8132), (3705, 7704), (3852, 7410), (4066, 7020), (4104, 6955), (4173, 6840), (4280, 6669), (4446, 6420), (4680, 6099), (4815, 5928), (4940, 5778), (5130, 5564)]