215767440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1438

約数の個数: 240

約数和(自身を含む): 855469056

約数和(自身を除く): 639701616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1381, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2762, 2790, 3255, 3472, 3720, 3906, 4143, 4340, 4464, 5040, 5208, 5524, 5580, 6510, 6905, 7440, 7812, 8286, 8680, 9667, 9765, 10416, 11048, 11160, 12429, 13020, 13810, 15624, 16572, 17360, 19334, 19530, 20715, 22096, 22320, 24858, 26040, 27620, 29001, 31248, 33144, 38668, 39060, 41430, 42811, 48335, 49716, 52080, 55240, 58002, 62145, 66288, 77336, 78120, 82860, 85622, 87003, 96670, 99432, 110480, 116004, 124290, 128433, 145005, 154672, 156240, 165720, 171244, 174006, 193340, 198864, 214055, 232008, 248580, 256866, 290010, 299677, 331440, 342488, 348012, 385299, 386680, 428110, 435015, 464016, 497160, 513732, 580020, 599354, 642165, 684976, 696024, 770598, 773360, 856220, 870030, 899031, 994320, 1027464, 1160040, 1198708, 1284330, 1392048, 1498385, 1541196, 1712440, 1740060, 1798062, 1926495, 2054928, 2320080, 2397416, 2568660, 2697093, 2996770, 3082392, 3424880, 3480120, 3596124, 3852990, 4495155, 4794832, 5137320, 5394186, 5993540, 6164784, 6960240, 7192248, 7705980, 8990310, 10274640, 10788372, 11987080, 13485465, 14384496, 15411960, 17980620, 21576744, 23974160, 26970930, 30823920, 35961240, 43153488, 53941860, 71922480, 107883720, 215767440]

約数ペア:

[(1, 215767440), (2, 107883720), (3, 71922480), (4, 53941860), (5, 43153488), (6, 35961240), (7, 30823920), (8, 26970930), (9, 23974160), (10, 21576744), (12, 17980620), (14, 15411960), (15, 14384496), (16, 13485465), (18, 11987080), (20, 10788372), (21, 10274640), (24, 8990310), (28, 7705980), (30, 7192248), (31, 6960240), (35, 6164784), (36, 5993540), (40, 5394186), (42, 5137320), (45, 4794832), (48, 4495155), (56, 3852990), (60, 3596124), (62, 3480120), (63, 3424880), (70, 3082392), (72, 2996770), (80, 2697093), (84, 2568660), (90, 2397416), (93, 2320080), (105, 2054928), (112, 1926495), (120, 1798062), (124, 1740060), (126, 1712440), (140, 1541196), (144, 1498385), (155, 1392048), (168, 1284330), (180, 1198708), (186, 1160040), (210, 1027464), (217, 994320), (240, 899031), (248, 870030), (252, 856220), (279, 773360), (280, 770598), (310, 696024), (315, 684976), (336, 642165), (360, 599354), (372, 580020), (420, 513732), (434, 497160), (465, 464016), (496, 435015), (504, 428110), (558, 386680), (560, 385299), (620, 348012), (630, 342488), (651, 331440), (720, 299677), (744, 290010), (840, 256866), (868, 248580), (930, 232008), (1008, 214055), (1085, 198864), (1116, 193340), (1240, 174006), (1260, 171244), (1302, 165720), (1381, 156240), (1395, 154672), (1488, 145005), (1680, 128433), (1736, 124290), (1860, 116004), (1953, 110480), (2170, 99432), (2232, 96670), (2480, 87003), (2520, 85622), (2604, 82860), (2762, 78120), (2790, 77336), (3255, 66288), (3472, 62145), (3720, 58002), (3906, 55240), (4143, 52080), (4340, 49716), (4464, 48335), (5040, 42811), (5208, 41430), (5524, 39060), (5580, 38668), (6510, 33144), (6905, 31248), (7440, 29001), (7812, 27620), (8286, 26040), (8680, 24858), (9667, 22320), (9765, 22096), (10416, 20715), (11048, 19530), (11160, 19334), (12429, 17360), (13020, 16572), (13810, 15624)]