18955656720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:861

約数の個数: 960

約数和(自身を含む): 88439339520

約数和(自身を除く): 69483682800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 22, 24, 26, 27, 28, 30, 33, 35, 36, 39, 40, 42, 44, 45, 48, 52, 54, 55, 56, 60, 63, 65, 66, 70, 72, 77, 78, 80, 84, 88, 90, 91, 99, 104, 105, 108, 110, 112, 117, 120, 121, 126, 130, 132, 135, 140, 143, 144, 154, 156, 165, 168, 176, 180, 182, 189, 195, 198, 208, 210, 216, 220, 231, 234, 240, 242, 252, 260, 264, 270, 273, 280, 286, 297, 308, 312, 315, 330, 336, 351, 360, 363, 364, 378, 385, 390, 396, 420, 429, 432, 440, 455, 462, 468, 484, 495, 504, 520, 528, 540, 546, 560, 572, 585, 594, 605, 616, 624, 630, 660, 693, 702, 715, 720, 726, 728, 756, 770, 780, 792, 797, 819, 840, 847, 858, 880, 910, 924, 936, 945, 968, 990, 1001, 1008, 1040, 1080, 1089, 1092, 1144, 1155, 1170, 1188, 1210, 1232, 1260, 1287, 1320, 1365, 1386, 1404, 1430, 1452, 1456, 1485, 1512, 1540, 1560, 1573, 1584, 1594, 1638, 1680, 1694, 1716, 1755, 1815, 1820, 1848, 1872, 1890, 1936, 1980, 2002, 2079, 2145, 2160, 2178, 2184, 2288, 2310, 2340, 2376, 2391, 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31331664, 31911880, 32402832, 33139260, 33849387, 34717320, 35103068, 35900865, 36453186, 37610430, 38294256, 39164580, 40503540, 41029560, 41660784, 43081038, 43878835, 44185680, 45132516, 47867820, 48604248, 49235472, 50147240, 52075980, 52219440, 52654602, 54004720, 56415645, 57441384, 60176688, 60755310, 61544340, 63823760, 66278520, 67698774, 69434640, 70206136, 71801730, 72906372, 75220860, 78329160, 78981903, 81007080, 82059120, 86162076, 87757670, 90265032, 91132965, 95735640, 97208496, 100294480, 104151960, 105309204, 107702595, 112831290, 114882768, 121510620, 123088680, 131636505, 132557040, 135397548, 140412272, 143603460, 145812744, 150441720, 156658320, 157963806, 162014160, 169246935, 172324152, 175515340, 180530064, 182265930, 191471280, 208303920, 210618408, 215405190, 225662580, 236945709, 243021240, 246177360, 263273010, 270795096, 287206920, 291625488, 300883440, 315927612, 338493870, 344648304, 351030680, 364531860, 394909515, 421236816, 430810380, 451325160, 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約数ペア:

[(1, 18955656720), (2, 9477828360), (3, 6318552240), (4, 4738914180), (5, 3791131344), (6, 3159276120), (7, 2707950960), (8, 2369457090), (9, 2106184080), (10, 1895565672), (11, 1723241520), (12, 1579638060), (13, 1458127440), (14, 1353975480), (15, 1263710448), (16, 1184728545), (18, 1053092040), (20, 947782836), (21, 902650320), (22, 861620760), (24, 789819030), (26, 729063720), (27, 702061360), (28, 676987740), (30, 631855224), (33, 574413840), (35, 541590192), (36, 526546020), (39, 486042480), (40, 473891418), (42, 451325160), (44, 430810380), (45, 421236816), (48, 394909515), (52, 364531860), (54, 351030680), (55, 344648304), (56, 338493870), (60, 315927612), (63, 300883440), (65, 291625488), (66, 287206920), (70, 270795096), (72, 263273010), (77, 246177360), (78, 243021240), (80, 236945709), (84, 225662580), (88, 215405190), (90, 210618408), (91, 208303920), (99, 191471280), (104, 182265930), (105, 180530064), (108, 175515340), (110, 172324152), (112, 169246935), (117, 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(504, 37610430), (520, 36453186), (528, 35900865), (540, 35103068), (546, 34717320), (560, 33849387), (572, 33139260), (585, 32402832), (594, 31911880), (605, 31331664), (616, 30772170), (624, 30377655), (630, 30088344), (660, 28720692), (693, 27353040), (702, 27002360), (715, 26511408), (720, 26327301), (726, 26109720), (728, 26037990), (756, 25073620), (770, 24617736), (780, 24302124), (792, 23933910), (797, 23783760), (819, 23144880), (840, 22566258), (847, 22379760), (858, 22092840), (880, 21540519), (910, 20830392), (924, 20514780), (936, 20251770), (945, 20058896), (968, 19582290), (990, 19147128), (1001, 18936720), (1008, 18805215), (1040, 18226593), (1080, 17551534), (1089, 17406480), (1092, 17358660), (1144, 16569630), (1155, 16411824), (1170, 16201416), (1188, 15955940), (1210, 15665832), (1232, 15386085), (1260, 15044172), (1287, 14728560), (1320, 14360346), (1365, 13886928), (1386, 13676520), (1404, 13501180), (1430, 13255704), (1452, 13054860), (1456, 13018995), (1485, 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180180), (107595, 176176), (108108, 175340), (110110, 172152), (111580, 169884), (113256, 167370), (113971, 166320), (114345, 165776), (114768, 165165), (120120, 157806), (121968, 155415), (122738, 154440), (124332, 152460), (125840, 150633), (130680, 145054), (131505, 144144), (132132, 143460), (133896, 141570), (135135, 140272)]