26621280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 288

約数和(自身を含む): 110073600

約数和(自身を除く): 83452320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 139, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 278, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 417, 420, 456, 480, 504, 532, 556, 560, 570, 608, 630, 665, 672, 684, 695, 720, 760, 798, 834, 840, 855, 912, 973, 1008, 1064, 1112, 1120, 1140, 1197, 1251, 1260, 1330, 1368, 1390, 1440, 1520, 1596, 1668, 1680, 1710, 1824, 1946, 1995, 2016, 2085, 2128, 2224, 2280, 2394, 2502, 2520, 2641, 2660, 2736, 2780, 2919, 3040, 3192, 3336, 3360, 3420, 3892, 3990, 4170, 4256, 4448, 4560, 4788, 4865, 5004, 5040, 5282, 5320, 5472, 5560, 5838, 5985, 6255, 6384, 6672, 6840, 7784, 7923, 7980, 8340, 8757, 9120, 9576, 9730, 10008, 10080, 10564, 10640, 11120, 11676, 11970, 12510, 12768, 13205, 13344, 13680, 14595, 15568, 15846, 15960, 16680, 17514, 18487, 19152, 19460, 20016, 21128, 21280, 22240, 23352, 23769, 23940, 25020, 26410, 27360, 29190, 31136, 31692, 31920, 33360, 35028, 36974, 38304, 38920, 39615, 40032, 42256, 43785, 46704, 47538, 47880, 50040, 52820, 55461, 58380, 63384, 63840, 66720, 70056, 73948, 77840, 79230, 84512, 87570, 92435, 93408, 95076, 95760, 100080, 105640, 110922, 116760, 118845, 126768, 140112, 147896, 155680, 158460, 166383, 175140, 184870, 190152, 191520, 200160, 211280, 221844, 233520, 237690, 253536, 277305, 280224, 295792, 316920, 332766, 350280, 369740, 380304, 422560, 443688, 467040, 475380, 554610, 591584, 633840, 665532, 700560, 739480, 760608, 831915, 887376, 950760, 1109220, 1267680, 1331064, 1401120, 1478960, 1663830, 1774752, 1901520, 2218440, 2662128, 2957920, 3327660, 3803040, 4436880, 5324256, 6655320, 8873760, 13310640, 26621280]

約数ペア:

[(1, 26621280), (2, 13310640), (3, 8873760), (4, 6655320), (5, 5324256), (6, 4436880), (7, 3803040), (8, 3327660), (9, 2957920), (10, 2662128), (12, 2218440), (14, 1901520), (15, 1774752), (16, 1663830), (18, 1478960), (19, 1401120), (20, 1331064), (21, 1267680), (24, 1109220), (28, 950760), (30, 887376), (32, 831915), (35, 760608), (36, 739480), (38, 700560), (40, 665532), (42, 633840), (45, 591584), (48, 554610), (56, 475380), (57, 467040), (60, 443688), (63, 422560), (70, 380304), (72, 369740), (76, 350280), (80, 332766), (84, 316920), (90, 295792), (95, 280224), (96, 277305), (105, 253536), (112, 237690), (114, 233520), (120, 221844), (126, 211280), (133, 200160), (139, 191520), (140, 190152), (144, 184870), (152, 175140), (160, 166383), (168, 158460), (171, 155680), (180, 147896), (190, 140112), (210, 126768), (224, 118845), (228, 116760), (240, 110922), (252, 105640), (266, 100080), (278, 95760), (280, 95076), (285, 93408), (288, 92435), (304, 87570), (315, 84512), (336, 79230), (342, 77840), (360, 73948), (380, 70056), (399, 66720), (417, 63840), (420, 63384), (456, 58380), (480, 55461), (504, 52820), (532, 50040), (556, 47880), (560, 47538), (570, 46704), (608, 43785), (630, 42256), (665, 40032), (672, 39615), (684, 38920), (695, 38304), (720, 36974), (760, 35028), (798, 33360), (834, 31920), (840, 31692), (855, 31136), (912, 29190), (973, 27360), (1008, 26410), (1064, 25020), (1112, 23940), (1120, 23769), (1140, 23352), (1197, 22240), (1251, 21280), (1260, 21128), (1330, 20016), (1368, 19460), (1390, 19152), (1440, 18487), (1520, 17514), (1596, 16680), (1668, 15960), (1680, 15846), (1710, 15568), (1824, 14595), (1946, 13680), (1995, 13344), (2016, 13205), (2085, 12768), (2128, 12510), (2224, 11970), (2280, 11676), (2394, 11120), (2502, 10640), (2520, 10564), (2641, 10080), (2660, 10008), (2736, 9730), (2780, 9576), (2919, 9120), (3040, 8757), (3192, 8340), (3336, 7980), (3360, 7923), (3420, 7784), (3892, 6840), (3990, 6672), (4170, 6384), (4256, 6255), (4448, 5985), (4560, 5838), (4788, 5560), (4865, 5472), (5004, 5320), (5040, 5282)]