78331680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:456

約数の個数: 288

約数和(自身を含む): 322358400

約数和(自身を除く): 244026720

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, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 409, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 818, 840, 855, 912, 1008, 1064, 1120, 1140, 1197, 1227, 1260, 1330, 1368, 1440, 1520, 1596, 1636, 1680, 1710, 1824, 1995, 2016, 2045, 2128, 2280, 2394, 2454, 2520, 2660, 2736, 2863, 3040, 3192, 3272, 3360, 3420, 3681, 3990, 4090, 4256, 4560, 4788, 4908, 5040, 5320, 5472, 5726, 5985, 6135, 6384, 6544, 6840, 7362, 7771, 7980, 8180, 8589, 9120, 9576, 9816, 10080, 10640, 11452, 11970, 12270, 12768, 13088, 13680, 14315, 14724, 15542, 15960, 16360, 17178, 18405, 19152, 19632, 21280, 22904, 23313, 23940, 24540, 25767, 27360, 28630, 29448, 31084, 31920, 32720, 34356, 36810, 38304, 38855, 39264, 42945, 45808, 46626, 47880, 49080, 51534, 54397, 57260, 58896, 62168, 63840, 65440, 68712, 69939, 73620, 77710, 85890, 91616, 93252, 95760, 98160, 103068, 108794, 114520, 116565, 117792, 124336, 128835, 137424, 139878, 147240, 155420, 163191, 171780, 186504, 191520, 196320, 206136, 217588, 229040, 233130, 248672, 257670, 271985, 274848, 279756, 294480, 310840, 326382, 343560, 349695, 373008, 412272, 435176, 458080, 466260, 489573, 515340, 543970, 559512, 588960, 621680, 652764, 687120, 699390, 746016, 815955, 824544, 870352, 932520, 979146, 1030680, 1087940, 1119024, 1243360, 1305528, 1374240, 1398780, 1631910, 1740704, 1865040, 1958292, 2061360, 2175880, 2238048, 2447865, 2611056, 2797560, 3263820, 3730080, 3916584, 4122720, 4351760, 4895730, 5222112, 5595120, 6527640, 7833168, 8703520, 9791460, 11190240, 13055280, 15666336, 19582920, 26110560, 39165840, 78331680]

約数ペア:

[(1, 78331680), (2, 39165840), (3, 26110560), (4, 19582920), (5, 15666336), (6, 13055280), (7, 11190240), (8, 9791460), (9, 8703520), (10, 7833168), (12, 6527640), (14, 5595120), (15, 5222112), (16, 4895730), (18, 4351760), (19, 4122720), (20, 3916584), (21, 3730080), (24, 3263820), (28, 2797560), (30, 2611056), (32, 2447865), (35, 2238048), (36, 2175880), (38, 2061360), (40, 1958292), (42, 1865040), (45, 1740704), (48, 1631910), (56, 1398780), (57, 1374240), (60, 1305528), (63, 1243360), (70, 1119024), (72, 1087940), (76, 1030680), (80, 979146), (84, 932520), (90, 870352), (95, 824544), (96, 815955), (105, 746016), (112, 699390), (114, 687120), (120, 652764), (126, 621680), (133, 588960), (140, 559512), (144, 543970), (152, 515340), (160, 489573), (168, 466260), (171, 458080), (180, 435176), (190, 412272), (210, 373008), (224, 349695), (228, 343560), (240, 326382), (252, 310840), (266, 294480), (280, 279756), (285, 274848), (288, 271985), (304, 257670), (315, 248672), (336, 233130), (342, 229040), (360, 217588), (380, 206136), (399, 196320), (409, 191520), (420, 186504), (456, 171780), (480, 163191), (504, 155420), (532, 147240), (560, 139878), (570, 137424), (608, 128835), (630, 124336), (665, 117792), (672, 116565), (684, 114520), (720, 108794), (760, 103068), (798, 98160), (818, 95760), (840, 93252), (855, 91616), (912, 85890), (1008, 77710), (1064, 73620), (1120, 69939), (1140, 68712), (1197, 65440), (1227, 63840), (1260, 62168), (1330, 58896), (1368, 57260), (1440, 54397), (1520, 51534), (1596, 49080), (1636, 47880), (1680, 46626), (1710, 45808), (1824, 42945), (1995, 39264), (2016, 38855), (2045, 38304), (2128, 36810), (2280, 34356), (2394, 32720), (2454, 31920), (2520, 31084), (2660, 29448), (2736, 28630), (2863, 27360), (3040, 25767), (3192, 24540), (3272, 23940), (3360, 23313), (3420, 22904), (3681, 21280), (3990, 19632), (4090, 19152), (4256, 18405), (4560, 17178), (4788, 16360), (4908, 15960), (5040, 15542), (5320, 14724), (5472, 14315), (5726, 13680), (5985, 13088), (6135, 12768), (6384, 12270), (6544, 11970), (6840, 11452), (7362, 10640), (7771, 10080), (7980, 9816), (8180, 9576), (8589, 9120)]