209981361920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3461}}^1$

素因数の和:3663

約数の個数: 288

約数和(自身を含む): 570635089920

約数和(自身を除く): 360653728000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 139, 155, 160, 176, 220, 248, 256, 278, 310, 320, 341, 352, 440, 496, 556, 620, 640, 682, 695, 704, 880, 992, 1112, 1240, 1280, 1364, 1390, 1408, 1529, 1705, 1760, 1984, 2224, 2480, 2728, 2780, 2816, 3058, 3410, 3461, 3520, 3968, 4309, 4448, 4960, 5456, 5560, 6116, 6820, 6922, 7040, 7645, 7936, 8618, 8896, 9920, 10912, 11120, 12232, 13640, 13844, 14080, 15290, 17236, 17305, 17792, 19840, 21545, 21824, 22240, 24464, 27280, 27688, 30580, 34472, 34610, 35584, 38071, 39680, 43090, 43648, 44480, 47399, 48928, 54560, 55376, 61160, 68944, 69220, 76142, 86180, 87296, 88960, 94798, 97856, 107291, 109120, 110752, 122320, 137888, 138440, 152284, 172360, 177920, 189596, 190355, 195712, 214582, 218240, 221504, 236995, 244640, 275776, 276880, 304568, 344720, 379192, 380710, 391424, 429164, 436480, 443008, 473990, 481079, 489280, 536455, 551552, 553760, 609136, 689440, 758384, 761420, 858328, 886016, 947980, 962158, 978560, 1072910, 1103104, 1107520, 1180201, 1218272, 1378880, 1516768, 1522840, 1716656, 1895960, 1924316, 1957120, 2145820, 2215040, 2360402, 2405395, 2436544, 2757760, 3033536, 3045680, 3433312, 3791920, 3848632, 4291640, 4430080, 4720804, 4810790, 4873088, 5291869, 5515520, 5901005, 6067072, 6091360, 6866624, 7583840, 7697264, 8583280, 9441608, 9621580, 9746176, 10583738, 11802010, 12134144, 12182720, 13733248, 14913449, 15167680, 15394528, 17166560, 18883216, 19243160, 21167476, 23604020, 24365440, 26459345, 27466496, 29826898, 30335360, 30789056, 34333120, 37766432, 38486320, 42334952, 47208040, 48730880, 52918690, 59653796, 60670720, 61578112, 68666240, 74567245, 75532864, 76972640, 84669904, 94416080, 105837380, 119307592, 123156224, 137332480, 149134490, 151065728, 153945280, 164047939, 169339808, 188832160, 211674760, 238615184, 298268980, 302131456, 307890560, 328095878, 338679616, 377664320, 423349520, 477230368, 596537960, 615781120, 656191756, 677359232, 755328640, 820239695, 846699040, 954460736, 1193075920, 1312383512, 1354718464, 1510657280, 1640479390, 1693398080, 1908921472, 2386151840, 2624767024, 3280958780, 3386796160, 3817842944, 4772303680, 5249534048, 6561917560, 6773592320, 9544607360, 10499068096, 13123835120, 19089214720, 20998136192, 26247670240, 41996272384, 52495340480, 104990680960, 209981361920]

約数ペア:

[(1, 209981361920), (2, 104990680960), (4, 52495340480), (5, 41996272384), (8, 26247670240), (10, 20998136192), (11, 19089214720), (16, 13123835120), (20, 10499068096), (22, 9544607360), (31, 6773592320), (32, 6561917560), (40, 5249534048), (44, 4772303680), (55, 3817842944), (62, 3386796160), (64, 3280958780), (80, 2624767024), (88, 2386151840), (110, 1908921472), (124, 1693398080), (128, 1640479390), (139, 1510657280), (155, 1354718464), (160, 1312383512), (176, 1193075920), (220, 954460736), (248, 846699040), (256, 820239695), (278, 755328640), (310, 677359232), (320, 656191756), (341, 615781120), (352, 596537960), (440, 477230368), (496, 423349520), (556, 377664320), (620, 338679616), (640, 328095878), (682, 307890560), (695, 302131456), (704, 298268980), (880, 238615184), (992, 211674760), (1112, 188832160), (1240, 169339808), (1280, 164047939), (1364, 153945280), (1390, 151065728), (1408, 149134490), (1529, 137332480), (1705, 123156224), (1760, 119307592), (1984, 105837380), (2224, 94416080), (2480, 84669904), (2728, 76972640), (2780, 75532864), (2816, 74567245), (3058, 68666240), (3410, 61578112), (3461, 60670720), (3520, 59653796), (3968, 52918690), (4309, 48730880), (4448, 47208040), (4960, 42334952), (5456, 38486320), (5560, 37766432), (6116, 34333120), (6820, 30789056), (6922, 30335360), (7040, 29826898), (7645, 27466496), (7936, 26459345), (8618, 24365440), (8896, 23604020), (9920, 21167476), (10912, 19243160), (11120, 18883216), (12232, 17166560), (13640, 15394528), (13844, 15167680), (14080, 14913449), (15290, 13733248), (17236, 12182720), (17305, 12134144), (17792, 11802010), (19840, 10583738), (21545, 9746176), (21824, 9621580), (22240, 9441608), (24464, 8583280), (27280, 7697264), (27688, 7583840), (30580, 6866624), (34472, 6091360), (34610, 6067072), (35584, 5901005), (38071, 5515520), (39680, 5291869), (43090, 4873088), (43648, 4810790), (44480, 4720804), (47399, 4430080), (48928, 4291640), (54560, 3848632), (55376, 3791920), (61160, 3433312), (68944, 3045680), (69220, 3033536), (76142, 2757760), (86180, 2436544), (87296, 2405395), (88960, 2360402), (94798, 2215040), (97856, 2145820), (107291, 1957120), (109120, 1924316), (110752, 1895960), (122320, 1716656), (137888, 1522840), (138440, 1516768), (152284, 1378880), (172360, 1218272), (177920, 1180201), (189596, 1107520), (190355, 1103104), (195712, 1072910), (214582, 978560), (218240, 962158), (221504, 947980), (236995, 886016), (244640, 858328), (275776, 761420), (276880, 758384), (304568, 689440), (344720, 609136), (379192, 553760), (380710, 551552), (391424, 536455), (429164, 489280), (436480, 481079), (443008, 473990)]