287689920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1439

約数の個数: 224

約数和(自身を含む): 1078358016

約数和(自身を除く): 790668096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 420, 434, 448, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 960, 992, 1085, 1120, 1240, 1302, 1344, 1381, 1488, 1680, 1736, 1860, 1984, 2170, 2240, 2480, 2604, 2762, 2976, 3255, 3360, 3472, 3720, 4143, 4340, 4960, 5208, 5524, 5952, 6510, 6720, 6905, 6944, 7440, 8286, 8680, 9667, 9920, 10416, 11048, 13020, 13810, 13888, 14880, 16572, 17360, 19334, 20715, 20832, 22096, 26040, 27620, 29001, 29760, 33144, 34720, 38668, 41430, 41664, 42811, 44192, 48335, 52080, 55240, 58002, 66288, 69440, 77336, 82860, 85622, 88384, 96670, 104160, 110480, 116004, 128433, 132576, 145005, 154672, 165720, 171244, 193340, 208320, 214055, 220960, 232008, 256866, 265152, 290010, 299677, 309344, 331440, 342488, 386680, 428110, 441920, 464016, 513732, 580020, 599354, 618688, 642165, 662880, 684976, 773360, 856220, 899031, 928032, 1027464, 1160040, 1198708, 1284330, 1325760, 1369952, 1498385, 1546720, 1712440, 1798062, 1856064, 2054928, 2320080, 2397416, 2568660, 2739904, 2996770, 3093440, 3424880, 3596124, 4109856, 4495155, 4640160, 4794832, 5137320, 5993540, 6849760, 7192248, 8219712, 8990310, 9280320, 9589664, 10274640, 11987080, 13699520, 14384496, 17980620, 19179328, 20549280, 23974160, 28768992, 35961240, 41098560, 47948320, 57537984, 71922480, 95896640, 143844960, 287689920]

約数ペア:

[(1, 287689920), (2, 143844960), (3, 95896640), (4, 71922480), (5, 57537984), (6, 47948320), (7, 41098560), (8, 35961240), (10, 28768992), (12, 23974160), (14, 20549280), (15, 19179328), (16, 17980620), (20, 14384496), (21, 13699520), (24, 11987080), (28, 10274640), (30, 9589664), (31, 9280320), (32, 8990310), (35, 8219712), (40, 7192248), (42, 6849760), (48, 5993540), (56, 5137320), (60, 4794832), (62, 4640160), (64, 4495155), (70, 4109856), (80, 3596124), (84, 3424880), (93, 3093440), (96, 2996770), (105, 2739904), (112, 2568660), (120, 2397416), (124, 2320080), (140, 2054928), (155, 1856064), (160, 1798062), (168, 1712440), (186, 1546720), (192, 1498385), (210, 1369952), (217, 1325760), (224, 1284330), (240, 1198708), (248, 1160040), (280, 1027464), (310, 928032), (320, 899031), (336, 856220), (372, 773360), (420, 684976), (434, 662880), (448, 642165), (465, 618688), (480, 599354), (496, 580020), (560, 513732), (620, 464016), (651, 441920), (672, 428110), (744, 386680), (840, 342488), (868, 331440), (930, 309344), (960, 299677), (992, 290010), (1085, 265152), (1120, 256866), (1240, 232008), (1302, 220960), (1344, 214055), (1381, 208320), (1488, 193340), (1680, 171244), (1736, 165720), (1860, 154672), (1984, 145005), (2170, 132576), (2240, 128433), (2480, 116004), (2604, 110480), (2762, 104160), (2976, 96670), (3255, 88384), (3360, 85622), (3472, 82860), (3720, 77336), (4143, 69440), (4340, 66288), (4960, 58002), (5208, 55240), (5524, 52080), (5952, 48335), (6510, 44192), (6720, 42811), (6905, 41664), (6944, 41430), (7440, 38668), (8286, 34720), (8680, 33144), (9667, 29760), (9920, 29001), (10416, 27620), (11048, 26040), (13020, 22096), (13810, 20832), (13888, 20715), (14880, 19334), (16572, 17360)]