20577174800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29753}}^1$

素因数の和:29810

約数の個数: 240

約数和(自身を含む): 64049650560

約数和(自身を除く): 43472475760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 25, 26, 28, 35, 38, 40, 50, 52, 56, 65, 70, 76, 80, 91, 95, 100, 104, 112, 130, 133, 140, 152, 175, 182, 190, 200, 208, 247, 260, 266, 280, 304, 325, 350, 364, 380, 400, 455, 475, 494, 520, 532, 560, 650, 665, 700, 728, 760, 910, 950, 988, 1040, 1064, 1235, 1300, 1330, 1400, 1456, 1520, 1729, 1820, 1900, 1976, 2128, 2275, 2470, 2600, 2660, 2800, 3325, 3458, 3640, 3800, 3952, 4550, 4940, 5200, 5320, 6175, 6650, 6916, 7280, 7600, 8645, 9100, 9880, 10640, 12350, 13300, 13832, 17290, 18200, 19760, 24700, 26600, 27664, 29753, 34580, 36400, 43225, 49400, 53200, 59506, 69160, 86450, 98800, 119012, 138320, 148765, 172900, 208271, 238024, 297530, 345800, 386789, 416542, 476048, 565307, 595060, 691600, 743825, 773578, 833084, 1041355, 1130614, 1190120, 1487650, 1547156, 1666168, 1933945, 2082710, 2261228, 2380240, 2707523, 2826535, 2975300, 3094312, 3332336, 3867890, 3957149, 4165420, 4522456, 5206775, 5415046, 5653070, 5950600, 6188624, 7348991, 7735780, 7914298, 8330840, 9044912, 9669725, 10413550, 10830092, 11306140, 11901200, 13537615, 14132675, 14697982, 15471560, 15828596, 16661680, 19339450, 19785745, 20827100, 21660184, 22612280, 27075230, 28265350, 29395964, 30943120, 31657192, 36744955, 38678900, 39571490, 41654200, 43320368, 45224560, 51442937, 54150460, 56530700, 58791928, 63314384, 67688075, 73489910, 77357800, 79142980, 83308400, 98928725, 102885874, 108300920, 113061400, 117583856, 135376150, 146979820, 154715600, 158285960, 183724775, 197857450, 205771748, 216601840, 226122800, 257214685, 270752300, 293959640, 316571920, 367449550, 395714900, 411543496, 514429370, 541504600, 587919280, 734899100, 791429800, 823086992, 1028858740, 1083009200, 1286073425, 1469798200, 1582859600, 2057717480, 2572146850, 2939596400, 4115434960, 5144293700, 10288587400, 20577174800]

約数ペア:

[(1, 20577174800), (2, 10288587400), (4, 5144293700), (5, 4115434960), (7, 2939596400), (8, 2572146850), (10, 2057717480), (13, 1582859600), (14, 1469798200), (16, 1286073425), (19, 1083009200), (20, 1028858740), (25, 823086992), (26, 791429800), (28, 734899100), (35, 587919280), (38, 541504600), (40, 514429370), (50, 411543496), (52, 395714900), (56, 367449550), (65, 316571920), (70, 293959640), (76, 270752300), (80, 257214685), (91, 226122800), (95, 216601840), (100, 205771748), (104, 197857450), (112, 183724775), (130, 158285960), (133, 154715600), (140, 146979820), (152, 135376150), (175, 117583856), (182, 113061400), (190, 108300920), (200, 102885874), (208, 98928725), (247, 83308400), (260, 79142980), (266, 77357800), (280, 73489910), (304, 67688075), (325, 63314384), (350, 58791928), (364, 56530700), (380, 54150460), (400, 51442937), (455, 45224560), (475, 43320368), (494, 41654200), (520, 39571490), (532, 38678900), (560, 36744955), (650, 31657192), (665, 30943120), (700, 29395964), (728, 28265350), (760, 27075230), (910, 22612280), (950, 21660184), (988, 20827100), (1040, 19785745), (1064, 19339450), (1235, 16661680), (1300, 15828596), (1330, 15471560), (1400, 14697982), (1456, 14132675), (1520, 13537615), (1729, 11901200), (1820, 11306140), (1900, 10830092), (1976, 10413550), (2128, 9669725), (2275, 9044912), (2470, 8330840), (2600, 7914298), (2660, 7735780), (2800, 7348991), (3325, 6188624), (3458, 5950600), (3640, 5653070), (3800, 5415046), (3952, 5206775), (4550, 4522456), (4940, 4165420), (5200, 3957149), (5320, 3867890), (6175, 3332336), (6650, 3094312), (6916, 2975300), (7280, 2826535), (7600, 2707523), (8645, 2380240), (9100, 2261228), (9880, 2082710), (10640, 1933945), (12350, 1666168), (13300, 1547156), (13832, 1487650), (17290, 1190120), (18200, 1130614), (19760, 1041355), (24700, 833084), (26600, 773578), (27664, 743825), (29753, 691600), (34580, 595060), (36400, 565307), (43225, 476048), (49400, 416542), (53200, 386789), (59506, 345800), (69160, 297530), (86450, 238024), (98800, 208271), (119012, 172900), (138320, 148765)]