19923120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 240

約数和(自身を含む): 78923520

約数和(自身を除く): 59000400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 59, 60, 63, 67, 70, 72, 80, 84, 90, 105, 112, 118, 120, 126, 134, 140, 144, 168, 177, 180, 201, 210, 236, 240, 252, 268, 280, 295, 315, 335, 336, 354, 360, 402, 413, 420, 469, 472, 504, 531, 536, 560, 590, 603, 630, 670, 708, 720, 804, 826, 840, 885, 938, 944, 1005, 1008, 1062, 1072, 1180, 1206, 1239, 1260, 1340, 1407, 1416, 1608, 1652, 1680, 1770, 1876, 2010, 2065, 2124, 2345, 2360, 2412, 2478, 2520, 2655, 2680, 2814, 2832, 3015, 3216, 3304, 3540, 3717, 3752, 3953, 4020, 4130, 4221, 4248, 4690, 4720, 4824, 4956, 5040, 5310, 5360, 5628, 6030, 6195, 6608, 7035, 7080, 7434, 7504, 7906, 8040, 8260, 8442, 8496, 9380, 9648, 9912, 10620, 11256, 11859, 12060, 12390, 14070, 14160, 14868, 15812, 16080, 16520, 16884, 18585, 18760, 19765, 19824, 21105, 21240, 22512, 23718, 24120, 24780, 27671, 28140, 29736, 31624, 33040, 33768, 35577, 37170, 37520, 39530, 42210, 42480, 47436, 48240, 49560, 55342, 56280, 59295, 59472, 63248, 67536, 71154, 74340, 79060, 83013, 84420, 94872, 99120, 110684, 112560, 118590, 138355, 142308, 148680, 158120, 166026, 168840, 177885, 189744, 221368, 237180, 249039, 276710, 284616, 297360, 316240, 332052, 337680, 355770, 415065, 442736, 474360, 498078, 553420, 569232, 664104, 711540, 830130, 948720, 996156, 1106840, 1245195, 1328208, 1423080, 1660260, 1992312, 2213680, 2490390, 2846160, 3320520, 3984624, 4980780, 6641040, 9961560, 19923120]

約数ペア:

[(1, 19923120), (2, 9961560), (3, 6641040), (4, 4980780), (5, 3984624), (6, 3320520), (7, 2846160), (8, 2490390), (9, 2213680), (10, 1992312), (12, 1660260), (14, 1423080), (15, 1328208), (16, 1245195), (18, 1106840), (20, 996156), (21, 948720), (24, 830130), (28, 711540), (30, 664104), (35, 569232), (36, 553420), (40, 498078), (42, 474360), (45, 442736), (48, 415065), (56, 355770), (59, 337680), (60, 332052), (63, 316240), (67, 297360), (70, 284616), (72, 276710), (80, 249039), (84, 237180), (90, 221368), (105, 189744), (112, 177885), (118, 168840), (120, 166026), (126, 158120), (134, 148680), (140, 142308), (144, 138355), (168, 118590), (177, 112560), (180, 110684), (201, 99120), (210, 94872), (236, 84420), (240, 83013), (252, 79060), (268, 74340), (280, 71154), (295, 67536), (315, 63248), (335, 59472), (336, 59295), (354, 56280), (360, 55342), (402, 49560), (413, 48240), (420, 47436), (469, 42480), (472, 42210), (504, 39530), (531, 37520), (536, 37170), (560, 35577), (590, 33768), (603, 33040), (630, 31624), (670, 29736), (708, 28140), (720, 27671), (804, 24780), (826, 24120), (840, 23718), (885, 22512), (938, 21240), (944, 21105), (1005, 19824), (1008, 19765), (1062, 18760), (1072, 18585), (1180, 16884), (1206, 16520), (1239, 16080), (1260, 15812), (1340, 14868), (1407, 14160), (1416, 14070), (1608, 12390), (1652, 12060), (1680, 11859), (1770, 11256), (1876, 10620), (2010, 9912), (2065, 9648), (2124, 9380), (2345, 8496), (2360, 8442), (2412, 8260), (2478, 8040), (2520, 7906), (2655, 7504), (2680, 7434), (2814, 7080), (2832, 7035), (3015, 6608), (3216, 6195), (3304, 6030), (3540, 5628), (3717, 5360), (3752, 5310), (3953, 5040), (4020, 4956), (4130, 4824), (4221, 4720), (4248, 4690)]