258456240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2744

約数の個数: 240

約数和(自身を含む): 1044576000

約数和(自身を除く): 786119760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2699, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5398, 5985, 6384, 6840, 7980, 8097, 9576, 10640, 10796, 11970, 13495, 13680, 15960, 16194, 18893, 19152, 21592, 23940, 24291, 26990, 31920, 32388, 37786, 40485, 43184, 47880, 48582, 51281, 53980, 56679, 64776, 75572, 80970, 94465, 95760, 97164, 102562, 107960, 113358, 121455, 129552, 151144, 153843, 161940, 170037, 188930, 194328, 205124, 215920, 226716, 242910, 256405, 283395, 302288, 307686, 323880, 340074, 358967, 377860, 388656, 410248, 453432, 461529, 485820, 512810, 566790, 615372, 647760, 680148, 717934, 755720, 769215, 820496, 850185, 906864, 923058, 971640, 1025620, 1076901, 1133580, 1230744, 1360296, 1435868, 1511440, 1538430, 1700370, 1794835, 1846116, 1943280, 2051240, 2153802, 2267160, 2307645, 2461488, 2720592, 2871736, 3076860, 3230703, 3400740, 3589670, 3692232, 4102480, 4307604, 4534320, 4615290, 5384505, 5743472, 6153720, 6461406, 6801480, 7179340, 7384464, 8615208, 9230580, 10769010, 12307440, 12922812, 13602960, 14358680, 16153515, 17230416, 18461160, 21538020, 25845624, 28717360, 32307030, 36922320, 43076040, 51691248, 64614060, 86152080, 129228120, 258456240]

約数ペア:

[(1, 258456240), (2, 129228120), (3, 86152080), (4, 64614060), (5, 51691248), (6, 43076040), (7, 36922320), (8, 32307030), (9, 28717360), (10, 25845624), (12, 21538020), (14, 18461160), (15, 17230416), (16, 16153515), (18, 14358680), (19, 13602960), (20, 12922812), (21, 12307440), (24, 10769010), (28, 9230580), (30, 8615208), (35, 7384464), (36, 7179340), (38, 6801480), (40, 6461406), (42, 6153720), (45, 5743472), (48, 5384505), (56, 4615290), (57, 4534320), (60, 4307604), (63, 4102480), (70, 3692232), (72, 3589670), (76, 3400740), (80, 3230703), (84, 3076860), (90, 2871736), (95, 2720592), (105, 2461488), (112, 2307645), (114, 2267160), (120, 2153802), (126, 2051240), (133, 1943280), (140, 1846116), (144, 1794835), (152, 1700370), (168, 1538430), (171, 1511440), (180, 1435868), (190, 1360296), (210, 1230744), (228, 1133580), (240, 1076901), (252, 1025620), (266, 971640), (280, 923058), (285, 906864), (304, 850185), (315, 820496), (336, 769215), (342, 755720), (360, 717934), (380, 680148), (399, 647760), (420, 615372), (456, 566790), (504, 512810), (532, 485820), (560, 461529), (570, 453432), (630, 410248), (665, 388656), (684, 377860), (720, 358967), (760, 340074), (798, 323880), (840, 307686), (855, 302288), (912, 283395), (1008, 256405), (1064, 242910), (1140, 226716), (1197, 215920), (1260, 205124), (1330, 194328), (1368, 188930), (1520, 170037), (1596, 161940), (1680, 153843), (1710, 151144), (1995, 129552), (2128, 121455), (2280, 113358), (2394, 107960), (2520, 102562), (2660, 97164), (2699, 95760), (2736, 94465), (3192, 80970), (3420, 75572), (3990, 64776), (4560, 56679), (4788, 53980), (5040, 51281), (5320, 48582), (5398, 47880), (5985, 43184), (6384, 40485), (6840, 37786), (7980, 32388), (8097, 31920), (9576, 26990), (10640, 24291), (10796, 23940), (11970, 21592), (13495, 19152), (13680, 18893), (15960, 16194)]