19947863520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118399}}^1$

素因数の和:118439

約数の個数: 240

約数和(自身を含む): 75815308800

約数和(自身を除く): 55867445280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 3120, 3240, 3510, 3744, 4212, 4320, 4680, 5265, 5616, 6240, 6480, 7020, 8424, 9360, 10530, 11232, 12960, 14040, 16848, 18720, 21060, 28080, 33696, 42120, 56160, 84240, 118399, 168480, 236798, 355197, 473596, 591995, 710394, 947192, 1065591, 1183990, 1420788, 1539187, 1775985, 1894384, 2131182, 2367980, 2841576, 3078374, 3196773, 3551970, 3788768, 4262364, 4617561, 4735960, 5327955, 5683152, 6156748, 6393546, 7103940, 7695935, 8524728, 9235122, 9471920, 9590319, 10655910, 11366304, 12313496, 12787092, 13852683, 14207880, 15391870, 15983865, 17049456, 18470244, 18943840, 19180638, 21311820, 23087805, 24626992, 25574184, 27705366, 28415760, 30783740, 31967730, 34098912, 36940488, 38361276, 41558049, 42623640, 46175610, 47951595, 49253984, 51148368, 55410732, 56831520, 61567480, 63935460, 69263415, 73880976, 76722552, 83116098, 85247280, 92351220, 95903190, 102296736, 110821464, 123134960, 124674147, 127870920, 138526830, 147761952, 153445104, 166232196, 170494560, 184702440, 191806380, 207790245, 221642928, 246269920, 249348294, 255741840, 277053660, 306890208, 332464392, 369404880, 383612760, 415580490, 443285856, 498696588, 511483680, 554107320, 623370735, 664928784, 738809760, 767225520, 831160980, 997393176, 1108214640, 1246741470, 1329857568, 1534451040, 1662321960, 1994786352, 2216429280, 2493482940, 3324643920, 3989572704, 4986965880, 6649287840, 9973931760, 19947863520]

約数ペア:

[(1, 19947863520), (2, 9973931760), (3, 6649287840), (4, 4986965880), (5, 3989572704), (6, 3324643920), (8, 2493482940), (9, 2216429280), (10, 1994786352), (12, 1662321960), (13, 1534451040), (15, 1329857568), (16, 1246741470), (18, 1108214640), (20, 997393176), (24, 831160980), (26, 767225520), (27, 738809760), (30, 664928784), (32, 623370735), (36, 554107320), (39, 511483680), (40, 498696588), (45, 443285856), (48, 415580490), (52, 383612760), (54, 369404880), (60, 332464392), (65, 306890208), (72, 277053660), (78, 255741840), (80, 249348294), (81, 246269920), (90, 221642928), (96, 207790245), (104, 191806380), (108, 184702440), (117, 170494560), (120, 166232196), (130, 153445104), (135, 147761952), (144, 138526830), (156, 127870920), (160, 124674147), (162, 123134960), (180, 110821464), (195, 102296736), (208, 95903190), (216, 92351220), (234, 85247280), (240, 83116098), (260, 76722552), (270, 73880976), (288, 69263415), (312, 63935460), (324, 61567480), (351, 56831520), (360, 55410732), (390, 51148368), (405, 49253984), (416, 47951595), (432, 46175610), (468, 42623640), (480, 41558049), (520, 38361276), (540, 36940488), (585, 34098912), (624, 31967730), (648, 30783740), (702, 28415760), (720, 27705366), (780, 25574184), (810, 24626992), (864, 23087805), (936, 21311820), (1040, 19180638), (1053, 18943840), (1080, 18470244), (1170, 17049456), (1248, 15983865), (1296, 15391870), (1404, 14207880), (1440, 13852683), (1560, 12787092), (1620, 12313496), (1755, 11366304), (1872, 10655910), (2080, 9590319), (2106, 9471920), (2160, 9235122), (2340, 8524728), (2592, 7695935), (2808, 7103940), (3120, 6393546), (3240, 6156748), (3510, 5683152), (3744, 5327955), (4212, 4735960), (4320, 4617561), (4680, 4262364), (5265, 3788768), (5616, 3551970), (6240, 3196773), (6480, 3078374), (7020, 2841576), (8424, 2367980), (9360, 2131182), (10530, 1894384), (11232, 1775985), (12960, 1539187), (14040, 1420788), (16848, 1183990), (18720, 1065591), (21060, 947192), (28080, 710394), (33696, 591995), (42120, 473596), (56160, 355197), (84240, 236798), (118399, 168480)]