263237179520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{12721}}^1$

素因数の和:12927

約数の個数: 256

約数和(自身を含む): 747442944000

約数和(自身を除く): 484205764480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 149, 155, 160, 217, 224, 248, 280, 298, 310, 320, 434, 448, 496, 560, 596, 620, 640, 745, 868, 896, 992, 1043, 1085, 1120, 1192, 1240, 1490, 1736, 1984, 2086, 2170, 2240, 2384, 2480, 2980, 3472, 3968, 4172, 4340, 4480, 4619, 4768, 4960, 5215, 5960, 6944, 8344, 8680, 9238, 9536, 9920, 10430, 11920, 12721, 13888, 16688, 17360, 18476, 19072, 19840, 20860, 23095, 23840, 25442, 27776, 32333, 33376, 34720, 36952, 41720, 46190, 47680, 50884, 63605, 64666, 66752, 69440, 73904, 83440, 89047, 92380, 95360, 101768, 127210, 129332, 133504, 138880, 147808, 161665, 166880, 178094, 184760, 203536, 254420, 258664, 295616, 323330, 333760, 356188, 369520, 394351, 407072, 445235, 508840, 517328, 591232, 646660, 667520, 712376, 739040, 788702, 814144, 890470, 1017680, 1034656, 1293320, 1424752, 1478080, 1577404, 1628288, 1780940, 1895429, 1971755, 2035360, 2069312, 2586640, 2760457, 2849504, 2956160, 3154808, 3561880, 3790858, 3943510, 4070720, 4138624, 5173280, 5520914, 5699008, 6309616, 7123760, 7581716, 7887020, 8141440, 9477145, 10346560, 11041828, 11398016, 12619232, 13268003, 13802285, 14247520, 15163432, 15774040, 18954290, 20693120, 22083656, 25238464, 26536006, 27604570, 28495040, 30326864, 31548080, 37908580, 44167312, 50476928, 53072012, 55209140, 56990080, 58758299, 60653728, 63096160, 66340015, 75817160, 88334624, 106144024, 110418280, 117516598, 121307456, 126192320, 132680030, 151634320, 176669248, 212288048, 220836560, 235033196, 242614912, 252384640, 265360060, 293791495, 303268640, 353338496, 411308093, 424576096, 441673120, 470066392, 530720120, 587582990, 606537280, 822616186, 849152192, 883346240, 940132784, 1061440240, 1175165980, 1213074560, 1645232372, 1698304384, 1766692480, 1880265568, 2056540465, 2122880480, 2350331960, 3290464744, 3760531136, 4113080930, 4245760960, 4700663920, 6580929488, 7521062272, 8226161860, 8491521920, 9401327840, 13161858976, 16452323720, 18802655680, 26323717952, 32904647440, 37605311360, 52647435904, 65809294880, 131618589760, 263237179520]

約数ペア:

[(1, 263237179520), (2, 131618589760), (4, 65809294880), (5, 52647435904), (7, 37605311360), (8, 32904647440), (10, 26323717952), (14, 18802655680), (16, 16452323720), (20, 13161858976), (28, 9401327840), (31, 8491521920), (32, 8226161860), (35, 7521062272), (40, 6580929488), (56, 4700663920), (62, 4245760960), (64, 4113080930), (70, 3760531136), (80, 3290464744), (112, 2350331960), (124, 2122880480), (128, 2056540465), (140, 1880265568), (149, 1766692480), (155, 1698304384), (160, 1645232372), (217, 1213074560), (224, 1175165980), (248, 1061440240), (280, 940132784), (298, 883346240), (310, 849152192), (320, 822616186), (434, 606537280), (448, 587582990), (496, 530720120), (560, 470066392), (596, 441673120), (620, 424576096), (640, 411308093), (745, 353338496), (868, 303268640), (896, 293791495), (992, 265360060), (1043, 252384640), (1085, 242614912), (1120, 235033196), (1192, 220836560), (1240, 212288048), (1490, 176669248), (1736, 151634320), (1984, 132680030), (2086, 126192320), (2170, 121307456), (2240, 117516598), (2384, 110418280), (2480, 106144024), (2980, 88334624), (3472, 75817160), (3968, 66340015), (4172, 63096160), (4340, 60653728), (4480, 58758299), (4619, 56990080), (4768, 55209140), (4960, 53072012), (5215, 50476928), (5960, 44167312), (6944, 37908580), (8344, 31548080), (8680, 30326864), (9238, 28495040), (9536, 27604570), (9920, 26536006), (10430, 25238464), (11920, 22083656), (12721, 20693120), (13888, 18954290), (16688, 15774040), (17360, 15163432), (18476, 14247520), (19072, 13802285), (19840, 13268003), (20860, 12619232), (23095, 11398016), (23840, 11041828), (25442, 10346560), (27776, 9477145), (32333, 8141440), (33376, 7887020), (34720, 7581716), (36952, 7123760), (41720, 6309616), (46190, 5699008), (47680, 5520914), (50884, 5173280), (63605, 4138624), (64666, 4070720), (66752, 3943510), (69440, 3790858), (73904, 3561880), (83440, 3154808), (89047, 2956160), (92380, 2849504), (95360, 2760457), (101768, 2586640), (127210, 2069312), (129332, 2035360), (133504, 1971755), (138880, 1895429), (147808, 1780940), (161665, 1628288), (166880, 1577404), (178094, 1478080), (184760, 1424752), (203536, 1293320), (254420, 1034656), (258664, 1017680), (295616, 890470), (323330, 814144), (333760, 788702), (356188, 739040), (369520, 712376), (394351, 667520), (407072, 646660), (445235, 591232), (508840, 517328)]