1998487928880

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{4703}}^1\times {\mathrm{21859}}^1$

素因数の和:26590

約数の個数: 240

約数和(自身を含む): 6961964405760

約数和(自身を除く): 4963476476880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4703, 4860, 6480, 9406, 9720, 14109, 18812, 19440, 21859, 23515, 28218, 37624, 42327, 43718, 47030, 56436, 65577, 70545, 75248, 84654, 87436, 94060, 109295, 112872, 126981, 131154, 141090, 169308, 174872, 188120, 196731, 211635, 218590, 225744, 253962, 262308, 282180, 327885, 338616, 349744, 376240, 380943, 393462, 423270, 437180, 507924, 524616, 564360, 590193, 634905, 655770, 677232, 761886, 786924, 846540, 874360, 983655, 1015848, 1049232, 1128720, 1142829, 1180386, 1269810, 1311540, 1523772, 1573848, 1693080, 1748720, 1770579, 1904715, 1967310, 2031696, 2285658, 2360772, 2539620, 2623080, 2950965, 3047544, 3147696, 3386160, 3541158, 3809430, 3934620, 4571316, 4721544, 5079240, 5246160, 5311737, 5714145, 5901930, 6095088, 7082316, 7618860, 7869240, 8852895, 9142632, 9443088, 10158480, 10623474, 11428290, 11803860, 14164632, 15237720, 15738480, 17705790, 18285264, 21246948, 22856580, 23607720, 26558685, 28329264, 30475440, 35411580, 42493896, 45713160, 47215440, 53117370, 70823160, 84987792, 91426320, 102802877, 106234740, 141646320, 205605754, 212469480, 308408631, 411211508, 424938960, 514014385, 616817262, 822423016, 925225893, 1028028770, 1233634524, 1542043155, 1644846032, 1850451786, 2056057540, 2467269048, 2775677679, 3084086310, 3700903572, 4112115080, 4626129465, 4934538096, 5551355358, 6168172620, 7401807144, 8224230160, 8327033037, 9252258930, 11102710716, 12336345240, 13878388395, 14803614288, 16654066074, 18504517860, 22205421432, 24672690480, 24981099111, 27756776790, 33308132148, 37009035720, 41635165185, 44410842864, 49962198222, 55513553580, 66616264296, 74018071440, 83270330370, 99924396444, 111027107160, 124905495555, 133232528592, 166540660740, 199848792888, 222054214320, 249810991110, 333081321480, 399697585776, 499621982220, 666162642960, 999243964440, 1998487928880]

約数ペア:

[(1, 1998487928880), (2, 999243964440), (3, 666162642960), (4, 499621982220), (5, 399697585776), (6, 333081321480), (8, 249810991110), (9, 222054214320), (10, 199848792888), (12, 166540660740), (15, 133232528592), (16, 124905495555), (18, 111027107160), (20, 99924396444), (24, 83270330370), (27, 74018071440), (30, 66616264296), (36, 55513553580), (40, 49962198222), (45, 44410842864), (48, 41635165185), (54, 37009035720), (60, 33308132148), (72, 27756776790), (80, 24981099111), (81, 24672690480), (90, 22205421432), (108, 18504517860), (120, 16654066074), (135, 14803614288), (144, 13878388395), (162, 12336345240), (180, 11102710716), (216, 9252258930), (240, 8327033037), (243, 8224230160), (270, 7401807144), (324, 6168172620), (360, 5551355358), (405, 4934538096), (432, 4626129465), (486, 4112115080), (540, 3700903572), (648, 3084086310), (720, 2775677679), (810, 2467269048), (972, 2056057540), (1080, 1850451786), (1215, 1644846032), (1296, 1542043155), (1620, 1233634524), (1944, 1028028770), (2160, 925225893), (2430, 822423016), (3240, 616817262), (3888, 514014385), (4703, 424938960), (4860, 411211508), (6480, 308408631), (9406, 212469480), (9720, 205605754), (14109, 141646320), (18812, 106234740), (19440, 102802877), (21859, 91426320), (23515, 84987792), (28218, 70823160), (37624, 53117370), (42327, 47215440), (43718, 45713160), (47030, 42493896), (56436, 35411580), (65577, 30475440), (70545, 28329264), (75248, 26558685), (84654, 23607720), (87436, 22856580), (94060, 21246948), (109295, 18285264), (112872, 17705790), (126981, 15738480), (131154, 15237720), (141090, 14164632), (169308, 11803860), (174872, 11428290), (188120, 10623474), (196731, 10158480), (211635, 9443088), (218590, 9142632), (225744, 8852895), (253962, 7869240), (262308, 7618860), (282180, 7082316), (327885, 6095088), (338616, 5901930), (349744, 5714145), (376240, 5311737), (380943, 5246160), (393462, 5079240), (423270, 4721544), (437180, 4571316), (507924, 3934620), (524616, 3809430), (564360, 3541158), (590193, 3386160), (634905, 3147696), (655770, 3047544), (677232, 2950965), (761886, 2623080), (786924, 2539620), (846540, 2360772), (874360, 2285658), (983655, 2031696), (1015848, 1967310), (1049232, 1904715), (1128720, 1770579), (1142829, 1748720), (1180386, 1693080), (1269810, 1573848), (1311540, 1523772)]