21672827280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{121867}}^1$

素因数の和:121918

約数の個数: 240

約数和(自身を含む): 82509510720

約数和(自身を除く): 60836683440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7410, 8892, 9360, 9880, 11115, 11856, 13680, 14820, 17784, 19760, 22230, 29640, 35568, 44460, 59280, 88920, 121867, 177840, 243734, 365601, 487468, 609335, 731202, 974936, 1096803, 1218670, 1462404, 1584271, 1828005, 1949872, 2193606, 2315473, 2437340, 2924808, 3168542, 3656010, 4387212, 4630946, 4752813, 4874680, 5484015, 5849616, 6337084, 6946419, 7312020, 7921355, 8774424, 9261892, 9505626, 9749360, 10968030, 11577365, 12674168, 13892838, 14258439, 14624040, 15842710, 17548848, 18523784, 19011252, 20839257, 21936060, 23154730, 23764065, 25348336, 27785676, 28516878, 29248080, 30101149, 31685420, 34732095, 37047568, 38022504, 41678514, 43872120, 46309460, 47528130, 55571352, 57033756, 60202298, 63370840, 69464190, 71292195, 76045008, 83357028, 87744240, 90303447, 92618920, 95056260, 104196285, 111142704, 114067512, 120404596, 126741680, 138928380, 142584390, 150505745, 166714056, 180606894, 185237840, 190112520, 208392570, 228135024, 240809192, 270910341, 277856760, 285168780, 301011490, 333428112, 361213788, 380225040, 416785140, 451517235, 481618384, 541820682, 555713520, 570337560, 602022980, 722427576, 833570280, 903034470, 1083641364, 1140675120, 1204045960, 1354551705, 1444855152, 1667140560, 1806068940, 2167282728, 2408091920, 2709103410, 3612137880, 4334565456, 5418206820, 7224275760, 10836413640, 21672827280]

約数ペア:

[(1, 21672827280), (2, 10836413640), (3, 7224275760), (4, 5418206820), (5, 4334565456), (6, 3612137880), (8, 2709103410), (9, 2408091920), (10, 2167282728), (12, 1806068940), (13, 1667140560), (15, 1444855152), (16, 1354551705), (18, 1204045960), (19, 1140675120), (20, 1083641364), (24, 903034470), (26, 833570280), (30, 722427576), (36, 602022980), (38, 570337560), (39, 555713520), (40, 541820682), (45, 481618384), (48, 451517235), (52, 416785140), (57, 380225040), (60, 361213788), (65, 333428112), (72, 301011490), (76, 285168780), (78, 277856760), (80, 270910341), (90, 240809192), (95, 228135024), (104, 208392570), (114, 190112520), (117, 185237840), (120, 180606894), (130, 166714056), (144, 150505745), (152, 142584390), (156, 138928380), (171, 126741680), (180, 120404596), (190, 114067512), (195, 111142704), (208, 104196285), (228, 95056260), (234, 92618920), (240, 90303447), (247, 87744240), (260, 83357028), (285, 76045008), (304, 71292195), (312, 69464190), (342, 63370840), (360, 60202298), (380, 57033756), (390, 55571352), (456, 47528130), (468, 46309460), (494, 43872120), (520, 41678514), (570, 38022504), (585, 37047568), (624, 34732095), (684, 31685420), (720, 30101149), (741, 29248080), (760, 28516878), (780, 27785676), (855, 25348336), (912, 23764065), (936, 23154730), (988, 21936060), (1040, 20839257), (1140, 19011252), (1170, 18523784), (1235, 17548848), (1368, 15842710), (1482, 14624040), (1520, 14258439), (1560, 13892838), (1710, 12674168), (1872, 11577365), (1976, 10968030), (2223, 9749360), (2280, 9505626), (2340, 9261892), (2470, 8774424), (2736, 7921355), (2964, 7312020), (3120, 6946419), (3420, 6337084), (3705, 5849616), (3952, 5484015), (4446, 4874680), (4560, 4752813), (4680, 4630946), (4940, 4387212), (5928, 3656010), (6840, 3168542), (7410, 2924808), (8892, 2437340), (9360, 2315473), (9880, 2193606), (11115, 1949872), (11856, 1828005), (13680, 1584271), (14820, 1462404), (17784, 1218670), (19760, 1096803), (22230, 974936), (29640, 731202), (35568, 609335), (44460, 487468), (59280, 365601), (88920, 243734), (121867, 177840)]