261712080

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:959

約数の個数: 320

約数和(自身を含む): 1085644800

約数和(自身を除く): 823932720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 560, 570, 630, 665, 684, 720, 756, 760, 798, 840, 855, 911, 912, 945, 1008, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1520, 1596, 1680, 1710, 1822, 1890, 1995, 2052, 2128, 2160, 2280, 2394, 2520, 2565, 2660, 2733, 2736, 3024, 3192, 3420, 3591, 3644, 3780, 3990, 4104, 4555, 4560, 4788, 5040, 5130, 5320, 5466, 5985, 6377, 6384, 6840, 7182, 7288, 7560, 7980, 8199, 8208, 9110, 9576, 10260, 10640, 10932, 11970, 12754, 13665, 13680, 14364, 14576, 15120, 15960, 16398, 17309, 17955, 18220, 19131, 19152, 20520, 21864, 23940, 24597, 25508, 27330, 28728, 31885, 31920, 32796, 34618, 35910, 36440, 38262, 40995, 41040, 43728, 47880, 49194, 51016, 51927, 54660, 57393, 57456, 63770, 65592, 69236, 71820, 72880, 76524, 81990, 86545, 95655, 95760, 98388, 102032, 103854, 109320, 114786, 121163, 122985, 127540, 131184, 138472, 143640, 153048, 155781, 163980, 172179, 173090, 191310, 196776, 207708, 218640, 229572, 242326, 245970, 255080, 259635, 276944, 286965, 287280, 306096, 311562, 327960, 344358, 346180, 363489, 382620, 393552, 415416, 459144, 467343, 484652, 491940, 510160, 519270, 573930, 605815, 623124, 655920, 688716, 692360, 726978, 765240, 778905, 830832, 860895, 918288, 934686, 969304, 983880, 1038540, 1090467, 1147860, 1211630, 1246248, 1377432, 1384720, 1453956, 1530480, 1557810, 1721790, 1817445, 1869372, 1938608, 1967760, 2077080, 2180934, 2295720, 2336715, 2423260, 2492496, 2754864, 2907912, 3115620, 3271401, 3443580, 3634890, 3738744, 4154160, 4361868, 4591440, 4673430, 4846520, 5452335, 5815824, 6231240, 6542802, 6887160, 7269780, 7477488, 8723736, 9346860, 9693040, 10904670, 12462480, 13085604, 13774320, 14539560, 16357005, 17447472, 18693720, 21809340, 26171208, 29079120, 32714010, 37387440, 43618680, 52342416, 65428020, 87237360, 130856040, 261712080]

約数ペア:

[(1, 261712080), (2, 130856040), (3, 87237360), (4, 65428020), (5, 52342416), (6, 43618680), (7, 37387440), (8, 32714010), (9, 29079120), (10, 26171208), (12, 21809340), (14, 18693720), (15, 17447472), (16, 16357005), (18, 14539560), (19, 13774320), (20, 13085604), (21, 12462480), (24, 10904670), (27, 9693040), (28, 9346860), (30, 8723736), (35, 7477488), (36, 7269780), (38, 6887160), (40, 6542802), (42, 6231240), (45, 5815824), (48, 5452335), (54, 4846520), (56, 4673430), (57, 4591440), (60, 4361868), (63, 4154160), (70, 3738744), (72, 3634890), (76, 3443580), (80, 3271401), (84, 3115620), (90, 2907912), (95, 2754864), (105, 2492496), (108, 2423260), (112, 2336715), (114, 2295720), (120, 2180934), (126, 2077080), (133, 1967760), (135, 1938608), (140, 1869372), (144, 1817445), (152, 1721790), (168, 1557810), (171, 1530480), (180, 1453956), (189, 1384720), (190, 1377432), (210, 1246248), (216, 1211630), (228, 1147860), (240, 1090467), (252, 1038540), (266, 983880), (270, 969304), (280, 934686), (285, 918288), (304, 860895), (315, 830832), (336, 778905), (342, 765240), (360, 726978), (378, 692360), (380, 688716), (399, 655920), (420, 623124), (432, 605815), (456, 573930), (504, 519270), (513, 510160), (532, 491940), (540, 484652), (560, 467343), (570, 459144), (630, 415416), (665, 393552), (684, 382620), (720, 363489), (756, 346180), (760, 344358), (798, 327960), (840, 311562), (855, 306096), (911, 287280), (912, 286965), (945, 276944), (1008, 259635), (1026, 255080), (1064, 245970), (1080, 242326), (1140, 229572), (1197, 218640), (1260, 207708), (1330, 196776), (1368, 191310), (1512, 173090), (1520, 172179), (1596, 163980), (1680, 155781), (1710, 153048), (1822, 143640), (1890, 138472), (1995, 131184), (2052, 127540), (2128, 122985), (2160, 121163), (2280, 114786), (2394, 109320), (2520, 103854), (2565, 102032), (2660, 98388), (2733, 95760), (2736, 95655), (3024, 86545), (3192, 81990), (3420, 76524), (3591, 72880), (3644, 71820), (3780, 69236), (3990, 65592), (4104, 63770), (4555, 57456), (4560, 57393), (4788, 54660), (5040, 51927), (5130, 51016), (5320, 49194), (5466, 47880), (5985, 43728), (6377, 41040), (6384, 40995), (6840, 38262), (7182, 36440), (7288, 35910), (7560, 34618), (7980, 32796), (8199, 31920), (8208, 31885), (9110, 28728), (9576, 27330), (10260, 25508), (10640, 24597), (10932, 23940), (11970, 21864), (12754, 20520), (13665, 19152), (13680, 19131), (14364, 18220), (14576, 17955), (15120, 17309), (15960, 16398)]