19002720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 67495680

約数和(自身を除く): 48492960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 59, 60, 61, 66, 80, 88, 96, 110, 118, 120, 122, 132, 160, 165, 176, 177, 183, 220, 236, 240, 244, 264, 295, 305, 330, 352, 354, 366, 440, 472, 480, 488, 528, 590, 610, 649, 660, 671, 708, 732, 880, 885, 915, 944, 976, 1056, 1180, 1220, 1298, 1320, 1342, 1416, 1464, 1760, 1770, 1830, 1888, 1947, 1952, 2013, 2360, 2440, 2596, 2640, 2684, 2832, 2928, 3245, 3355, 3540, 3599, 3660, 3894, 4026, 4720, 4880, 5192, 5280, 5368, 5664, 5856, 6490, 6710, 7080, 7198, 7320, 7788, 8052, 9440, 9735, 9760, 10065, 10384, 10736, 10797, 12980, 13420, 14160, 14396, 14640, 15576, 16104, 17995, 19470, 20130, 20768, 21472, 21594, 25960, 26840, 28320, 28792, 29280, 31152, 32208, 35990, 38940, 39589, 40260, 43188, 51920, 53680, 53985, 57584, 62304, 64416, 71980, 77880, 79178, 80520, 86376, 103840, 107360, 107970, 115168, 118767, 143960, 155760, 158356, 161040, 172752, 197945, 215940, 237534, 287920, 311520, 316712, 322080, 345504, 395890, 431880, 475068, 575840, 593835, 633424, 791780, 863760, 950136, 1187670, 1266848, 1583560, 1727520, 1900272, 2375340, 3167120, 3800544, 4750680, 6334240, 9501360, 19002720]

約数ペア:

[(1, 19002720), (2, 9501360), (3, 6334240), (4, 4750680), (5, 3800544), (6, 3167120), (8, 2375340), (10, 1900272), (11, 1727520), (12, 1583560), (15, 1266848), (16, 1187670), (20, 950136), (22, 863760), (24, 791780), (30, 633424), (32, 593835), (33, 575840), (40, 475068), (44, 431880), (48, 395890), (55, 345504), (59, 322080), (60, 316712), (61, 311520), (66, 287920), (80, 237534), (88, 215940), (96, 197945), (110, 172752), (118, 161040), (120, 158356), (122, 155760), (132, 143960), (160, 118767), (165, 115168), (176, 107970), (177, 107360), (183, 103840), (220, 86376), (236, 80520), (240, 79178), (244, 77880), (264, 71980), (295, 64416), (305, 62304), (330, 57584), (352, 53985), (354, 53680), (366, 51920), (440, 43188), (472, 40260), (480, 39589), (488, 38940), (528, 35990), (590, 32208), (610, 31152), (649, 29280), (660, 28792), (671, 28320), (708, 26840), (732, 25960), (880, 21594), (885, 21472), (915, 20768), (944, 20130), (976, 19470), (1056, 17995), (1180, 16104), (1220, 15576), (1298, 14640), (1320, 14396), (1342, 14160), (1416, 13420), (1464, 12980), (1760, 10797), (1770, 10736), (1830, 10384), (1888, 10065), (1947, 9760), (1952, 9735), (2013, 9440), (2360, 8052), (2440, 7788), (2596, 7320), (2640, 7198), (2684, 7080), (2832, 6710), (2928, 6490), (3245, 5856), (3355, 5664), (3540, 5368), (3599, 5280), (3660, 5192), (3894, 4880), (4026, 4720)]