1218395520

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1287

約数の個数: 320

約数和(自身を含む): 4583818800

約数和(自身を除く): 3365423280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 324, 342, 360, 380, 384, 405, 432, 456, 480, 513, 540, 570, 576, 608, 640, 648, 684, 720, 760, 810, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1237, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2432, 2474, 2565, 2592, 2736, 2880, 3040, 3078, 3240, 3420, 3456, 3648, 3711, 4104, 4320, 4560, 4948, 5130, 5184, 5472, 5760, 6080, 6156, 6185, 6480, 6840, 7296, 7422, 7695, 8208, 8640, 9120, 9896, 10260, 10368, 10944, 11133, 12160, 12312, 12370, 12960, 13680, 14844, 15390, 16416, 17280, 18240, 18555, 19792, 20520, 21888, 22266, 23503, 24624, 24740, 25920, 27360, 29688, 30780, 32832, 33399, 36480, 37110, 39584, 41040, 44532, 47006, 49248, 49480, 51840, 54720, 55665, 59376, 61560, 65664, 66798, 70509, 74220, 79168, 82080, 89064, 94012, 98496, 98960, 100197, 109440, 111330, 117515, 118752, 123120, 133596, 141018, 148440, 158336, 164160, 166995, 178128, 188024, 196992, 197920, 200394, 211527, 222660, 235030, 237504, 246240, 267192, 282036, 296880, 328320, 333990, 352545, 356256, 376048, 395840, 400788, 423054, 445320, 470060, 475008, 492480, 500985, 534384, 564072, 593760, 634581, 667980, 705090, 712512, 752096, 791680, 801576, 846108, 890640, 940120, 984960, 1001970, 1057635, 1068768, 1128144, 1187520, 1269162, 1335960, 1410180, 1425024, 1504192, 1603152, 1692216, 1781280, 1880240, 1903743, 2003940, 2115270, 2137536, 2256288, 2375040, 2538324, 2671920, 2820360, 3008384, 3172905, 3206304, 3384432, 3562560, 3760480, 3807486, 4007880, 4230540, 4275072, 4512576, 5076648, 5343840, 5640720, 6345810, 6412608, 6768864, 7125120, 7520960, 7614972, 8015760, 8461080, 9025152, 9518715, 10153296, 10687680, 11281440, 12691620, 12825216, 13537728, 15041920, 15229944, 16031520, 16922160, 19037430, 20306592, 21375360, 22562880, 25383240, 27075456, 30459888, 32063040, 33844320, 38074860, 40613184, 45125760, 50766480, 60919776, 64126080, 67688640, 76149720, 81226368, 101532960, 121839552, 135377280, 152299440, 203065920, 243679104, 304598880, 406131840, 609197760, 1218395520]

約数ペア:

[(1, 1218395520), (2, 609197760), (3, 406131840), (4, 304598880), (5, 243679104), (6, 203065920), (8, 152299440), (9, 135377280), (10, 121839552), (12, 101532960), (15, 81226368), (16, 76149720), (18, 67688640), (19, 64126080), (20, 60919776), (24, 50766480), (27, 45125760), (30, 40613184), (32, 38074860), (36, 33844320), (38, 32063040), (40, 30459888), (45, 27075456), (48, 25383240), (54, 22562880), (57, 21375360), (60, 20306592), (64, 19037430), (72, 16922160), (76, 16031520), (80, 15229944), (81, 15041920), (90, 13537728), (95, 12825216), (96, 12691620), (108, 11281440), (114, 10687680), (120, 10153296), (128, 9518715), (135, 9025152), (144, 8461080), (152, 8015760), (160, 7614972), (162, 7520960), (171, 7125120), (180, 6768864), (190, 6412608), (192, 6345810), (216, 5640720), (228, 5343840), (240, 5076648), (270, 4512576), (285, 4275072), (288, 4230540), (304, 4007880), (320, 3807486), (324, 3760480), (342, 3562560), (360, 3384432), (380, 3206304), (384, 3172905), (405, 3008384), (432, 2820360), (456, 2671920), (480, 2538324), (513, 2375040), (540, 2256288), (570, 2137536), (576, 2115270), (608, 2003940), (640, 1903743), (648, 1880240), (684, 1781280), (720, 1692216), (760, 1603152), (810, 1504192), (855, 1425024), (864, 1410180), (912, 1335960), (960, 1269162), (1026, 1187520), (1080, 1128144), (1140, 1068768), (1152, 1057635), (1216, 1001970), (1237, 984960), (1296, 940120), (1368, 890640), (1440, 846108), (1520, 801576), (1539, 791680), (1620, 752096), (1710, 712512), (1728, 705090), (1824, 667980), (1920, 634581), (2052, 593760), (2160, 564072), (2280, 534384), (2432, 500985), (2474, 492480), (2565, 475008), (2592, 470060), (2736, 445320), (2880, 423054), (3040, 400788), (3078, 395840), (3240, 376048), (3420, 356256), (3456, 352545), (3648, 333990), (3711, 328320), (4104, 296880), (4320, 282036), (4560, 267192), (4948, 246240), (5130, 237504), (5184, 235030), (5472, 222660), (5760, 211527), (6080, 200394), (6156, 197920), (6185, 196992), (6480, 188024), (6840, 178128), (7296, 166995), (7422, 164160), (7695, 158336), (8208, 148440), (8640, 141018), (9120, 133596), (9896, 123120), (10260, 118752), (10368, 117515), (10944, 111330), (11133, 109440), (12160, 100197), (12312, 98960), (12370, 98496), (12960, 94012), (13680, 89064), (14844, 82080), (15390, 79168), (16416, 74220), (17280, 70509), (18240, 66798), (18555, 65664), (19792, 61560), (20520, 59376), (21888, 55665), (22266, 54720), (23503, 51840), (24624, 49480), (24740, 49248), (25920, 47006), (27360, 44532), (29688, 41040), (30780, 39584), (32832, 37110), (33399, 36480)]