1981171800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1093}}^1$

素因数の和:1187

約数の個数: 288

約数和(自身を含む): 7142288400

約数和(自身を除く): 5161116600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 53, 57, 60, 72, 75, 76, 90, 95, 100, 106, 114, 120, 150, 152, 159, 171, 180, 190, 200, 212, 225, 228, 265, 285, 300, 318, 342, 360, 380, 424, 450, 456, 475, 477, 530, 570, 600, 636, 684, 760, 795, 855, 900, 950, 954, 1007, 1060, 1093, 1140, 1272, 1325, 1368, 1425, 1590, 1710, 1800, 1900, 1908, 2014, 2120, 2186, 2280, 2385, 2650, 2850, 3021, 3180, 3279, 3420, 3800, 3816, 3975, 4028, 4275, 4372, 4770, 5035, 5300, 5465, 5700, 6042, 6360, 6558, 6840, 7950, 8056, 8550, 8744, 9063, 9540, 9837, 10070, 10600, 10930, 11400, 11925, 12084, 13116, 15105, 15900, 16395, 17100, 18126, 19080, 19674, 20140, 20767, 21860, 23850, 24168, 25175, 26232, 27325, 30210, 31800, 32790, 34200, 36252, 39348, 40280, 41534, 43720, 45315, 47700, 49185, 50350, 54650, 57929, 60420, 62301, 65580, 72504, 75525, 78696, 81975, 83068, 90630, 95400, 98370, 100700, 103835, 109300, 115858, 120840, 124602, 131160, 151050, 163950, 166136, 173787, 181260, 186903, 196740, 201400, 207670, 218600, 226575, 231716, 245925, 249204, 289645, 302100, 311505, 327900, 347574, 362520, 373806, 393480, 415340, 453150, 463432, 491850, 498408, 519175, 521361, 579290, 604200, 623010, 655800, 695148, 747612, 830680, 868935, 906300, 934515, 983700, 1038350, 1042722, 1100651, 1158580, 1246020, 1390296, 1448225, 1495224, 1557525, 1737870, 1812600, 1869030, 1967400, 2076700, 2085444, 2201302, 2317160, 2492040, 2606805, 2896450, 3115050, 3301953, 3475740, 3738060, 4153400, 4170888, 4344675, 4402604, 4672575, 5213610, 5503255, 5792900, 6230100, 6603906, 6951480, 7476120, 8689350, 8805208, 9345150, 9905859, 10427220, 11006510, 11585800, 12460200, 13034025, 13207812, 16509765, 17378700, 18690300, 19811718, 20854440, 22013020, 26068050, 26415624, 27516275, 33019530, 34757400, 37380600, 39623436, 44026040, 49529295, 52136100, 55032550, 66039060, 79246872, 82548825, 99058590, 104272200, 110065100, 132078120, 165097650, 198117180, 220130200, 247646475, 330195300, 396234360, 495292950, 660390600, 990585900, 1981171800]

約数ペア:

[(1, 1981171800), (2, 990585900), (3, 660390600), (4, 495292950), (5, 396234360), (6, 330195300), (8, 247646475), (9, 220130200), (10, 198117180), (12, 165097650), (15, 132078120), (18, 110065100), (19, 104272200), (20, 99058590), (24, 82548825), (25, 79246872), (30, 66039060), (36, 55032550), (38, 52136100), (40, 49529295), (45, 44026040), (50, 39623436), (53, 37380600), (57, 34757400), (60, 33019530), (72, 27516275), (75, 26415624), (76, 26068050), (90, 22013020), (95, 20854440), (100, 19811718), (106, 18690300), (114, 17378700), (120, 16509765), (150, 13207812), (152, 13034025), (159, 12460200), (171, 11585800), (180, 11006510), (190, 10427220), (200, 9905859), (212, 9345150), (225, 8805208), (228, 8689350), (265, 7476120), (285, 6951480), (300, 6603906), (318, 6230100), (342, 5792900), (360, 5503255), (380, 5213610), (424, 4672575), (450, 4402604), (456, 4344675), (475, 4170888), (477, 4153400), (530, 3738060), (570, 3475740), (600, 3301953), (636, 3115050), (684, 2896450), (760, 2606805), (795, 2492040), (855, 2317160), (900, 2201302), (950, 2085444), (954, 2076700), (1007, 1967400), (1060, 1869030), (1093, 1812600), (1140, 1737870), (1272, 1557525), (1325, 1495224), (1368, 1448225), (1425, 1390296), (1590, 1246020), (1710, 1158580), (1800, 1100651), (1900, 1042722), (1908, 1038350), (2014, 983700), (2120, 934515), (2186, 906300), (2280, 868935), (2385, 830680), (2650, 747612), (2850, 695148), (3021, 655800), (3180, 623010), (3279, 604200), (3420, 579290), (3800, 521361), (3816, 519175), (3975, 498408), (4028, 491850), (4275, 463432), (4372, 453150), (4770, 415340), (5035, 393480), (5300, 373806), (5465, 362520), (5700, 347574), (6042, 327900), (6360, 311505), (6558, 302100), (6840, 289645), (7950, 249204), (8056, 245925), (8550, 231716), (8744, 226575), (9063, 218600), (9540, 207670), (9837, 201400), (10070, 196740), (10600, 186903), (10930, 181260), (11400, 173787), (11925, 166136), (12084, 163950), (13116, 151050), (15105, 131160), (15900, 124602), (16395, 120840), (17100, 115858), (18126, 109300), (19080, 103835), (19674, 100700), (20140, 98370), (20767, 95400), (21860, 90630), (23850, 83068), (24168, 81975), (25175, 78696), (26232, 75525), (27325, 72504), (30210, 65580), (31800, 62301), (32790, 60420), (34200, 57929), (36252, 54650), (39348, 50350), (40280, 49185), (41534, 47700), (43720, 45315)]