21286722960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{8693}}^1$

素因数の和:8910

約数の個数: 240

約数和(自身を含む): 75679531200

約数和(自身を除く): 54392808240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 179, 180, 190, 228, 240, 285, 304, 342, 358, 360, 380, 456, 537, 570, 684, 716, 720, 760, 855, 895, 912, 1074, 1140, 1368, 1432, 1520, 1611, 1710, 1790, 2148, 2280, 2685, 2736, 2864, 3222, 3401, 3420, 3580, 4296, 4560, 5370, 6444, 6802, 6840, 7160, 8055, 8592, 8693, 10203, 10740, 12888, 13604, 13680, 14320, 16110, 17005, 17386, 20406, 21480, 25776, 26079, 27208, 30609, 32220, 34010, 34772, 40812, 42960, 43465, 51015, 52158, 54416, 61218, 64440, 68020, 69544, 78237, 81624, 86930, 102030, 104316, 122436, 128880, 130395, 136040, 139088, 153045, 156474, 163248, 165167, 173860, 204060, 208632, 244872, 260790, 272080, 306090, 312948, 330334, 347720, 391185, 408120, 417264, 489744, 495501, 521580, 612180, 625896, 660668, 695440, 782370, 816240, 825835, 991002, 1043160, 1224360, 1251792, 1321336, 1486503, 1556047, 1564740, 1651670, 1982004, 2086320, 2448720, 2477505, 2642672, 2973006, 3112094, 3129480, 3303340, 3964008, 4668141, 4955010, 5946012, 6224188, 6258960, 6606680, 7432515, 7780235, 7928016, 9336282, 9910020, 11892024, 12448376, 13213360, 14004423, 14865030, 15560470, 18672564, 19820040, 23340705, 23784048, 24896752, 28008846, 29564893, 29730060, 31120940, 37345128, 39640080, 46681410, 56017692, 59129786, 59460120, 62241880, 70022115, 74690256, 88694679, 93362820, 112035384, 118259572, 118920240, 124483760, 140044230, 147824465, 177389358, 186725640, 224070768, 236519144, 266084037, 280088460, 295648930, 354778716, 373451280, 443473395, 473038288, 532168074, 560176920, 591297860, 709557432, 886946790, 1064336148, 1120353840, 1182595720, 1330420185, 1419114864, 1773893580, 2128672296, 2365191440, 2660840370, 3547787160, 4257344592, 5321680740, 7095574320, 10643361480, 21286722960]

約数ペア:

[(1, 21286722960), (2, 10643361480), (3, 7095574320), (4, 5321680740), (5, 4257344592), (6, 3547787160), (8, 2660840370), (9, 2365191440), (10, 2128672296), (12, 1773893580), (15, 1419114864), (16, 1330420185), (18, 1182595720), (19, 1120353840), (20, 1064336148), (24, 886946790), (30, 709557432), (36, 591297860), (38, 560176920), (40, 532168074), (45, 473038288), (48, 443473395), (57, 373451280), (60, 354778716), (72, 295648930), (76, 280088460), (80, 266084037), (90, 236519144), (95, 224070768), (114, 186725640), (120, 177389358), (144, 147824465), (152, 140044230), (171, 124483760), (179, 118920240), (180, 118259572), (190, 112035384), (228, 93362820), (240, 88694679), (285, 74690256), (304, 70022115), (342, 62241880), (358, 59460120), (360, 59129786), (380, 56017692), (456, 46681410), (537, 39640080), (570, 37345128), (684, 31120940), (716, 29730060), (720, 29564893), (760, 28008846), (855, 24896752), (895, 23784048), (912, 23340705), (1074, 19820040), (1140, 18672564), (1368, 15560470), (1432, 14865030), (1520, 14004423), (1611, 13213360), (1710, 12448376), (1790, 11892024), (2148, 9910020), (2280, 9336282), (2685, 7928016), (2736, 7780235), (2864, 7432515), (3222, 6606680), (3401, 6258960), (3420, 6224188), (3580, 5946012), (4296, 4955010), (4560, 4668141), (5370, 3964008), (6444, 3303340), (6802, 3129480), (6840, 3112094), (7160, 2973006), (8055, 2642672), (8592, 2477505), (8693, 2448720), (10203, 2086320), (10740, 1982004), (12888, 1651670), (13604, 1564740), (13680, 1556047), (14320, 1486503), (16110, 1321336), (17005, 1251792), (17386, 1224360), (20406, 1043160), (21480, 991002), (25776, 825835), (26079, 816240), (27208, 782370), (30609, 695440), (32220, 660668), (34010, 625896), (34772, 612180), (40812, 521580), (42960, 495501), (43465, 489744), (51015, 417264), (52158, 408120), (54416, 391185), (61218, 347720), (64440, 330334), (68020, 312948), (69544, 306090), (78237, 272080), (81624, 260790), (86930, 244872), (102030, 208632), (104316, 204060), (122436, 173860), (128880, 165167), (130395, 163248), (136040, 156474), (139088, 153045)]