290131920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:394

約数の個数: 240

約数和(自身を含む): 1061598720

約数和(自身を除く): 771466800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 139, 144, 156, 180, 195, 208, 223, 234, 240, 260, 278, 312, 360, 390, 417, 446, 468, 520, 556, 585, 624, 669, 695, 720, 780, 834, 892, 936, 1040, 1112, 1115, 1170, 1251, 1338, 1390, 1560, 1668, 1784, 1807, 1872, 2007, 2085, 2224, 2230, 2340, 2502, 2676, 2780, 2899, 3120, 3336, 3345, 3568, 3614, 4014, 4170, 4460, 4680, 5004, 5352, 5421, 5560, 5798, 6255, 6672, 6690, 7228, 8028, 8340, 8697, 8920, 9035, 9360, 10008, 10035, 10704, 10842, 11120, 11596, 12510, 13380, 14456, 14495, 16056, 16263, 16680, 17394, 17840, 18070, 20016, 20070, 21684, 23192, 25020, 26091, 26760, 27105, 28912, 28990, 30997, 32112, 32526, 33360, 34788, 36140, 40140, 43368, 43485, 46384, 50040, 52182, 53520, 54210, 57980, 61994, 65052, 69576, 72280, 80280, 81315, 86736, 86970, 92991, 100080, 104364, 108420, 115960, 123988, 130104, 130455, 139152, 144560, 154985, 160560, 162630, 173940, 185982, 208728, 216840, 231920, 247976, 260208, 260910, 278973, 309970, 325260, 347880, 371964, 402961, 417456, 433680, 464955, 495952, 521820, 557946, 619940, 650520, 695760, 743928, 805922, 929910, 1043640, 1115892, 1208883, 1239880, 1301040, 1394865, 1487856, 1611844, 1859820, 2014805, 2087280, 2231784, 2417766, 2479760, 2789730, 3223688, 3626649, 3719640, 4029610, 4463568, 4835532, 5579460, 6044415, 6447376, 7253298, 7439280, 8059220, 9671064, 11158920, 12088830, 14506596, 16118440, 18133245, 19342128, 22317840, 24177660, 29013192, 32236880, 36266490, 48355320, 58026384, 72532980, 96710640, 145065960, 290131920]

約数ペア:

[(1, 290131920), (2, 145065960), (3, 96710640), (4, 72532980), (5, 58026384), (6, 48355320), (8, 36266490), (9, 32236880), (10, 29013192), (12, 24177660), (13, 22317840), (15, 19342128), (16, 18133245), (18, 16118440), (20, 14506596), (24, 12088830), (26, 11158920), (30, 9671064), (36, 8059220), (39, 7439280), (40, 7253298), (45, 6447376), (48, 6044415), (52, 5579460), (60, 4835532), (65, 4463568), (72, 4029610), (78, 3719640), (80, 3626649), (90, 3223688), (104, 2789730), (117, 2479760), (120, 2417766), (130, 2231784), (139, 2087280), (144, 2014805), (156, 1859820), (180, 1611844), (195, 1487856), (208, 1394865), (223, 1301040), (234, 1239880), (240, 1208883), (260, 1115892), (278, 1043640), (312, 929910), (360, 805922), (390, 743928), (417, 695760), (446, 650520), (468, 619940), (520, 557946), (556, 521820), (585, 495952), (624, 464955), (669, 433680), (695, 417456), (720, 402961), (780, 371964), (834, 347880), (892, 325260), (936, 309970), (1040, 278973), (1112, 260910), (1115, 260208), (1170, 247976), (1251, 231920), (1338, 216840), (1390, 208728), (1560, 185982), (1668, 173940), (1784, 162630), (1807, 160560), (1872, 154985), (2007, 144560), (2085, 139152), (2224, 130455), (2230, 130104), (2340, 123988), (2502, 115960), (2676, 108420), (2780, 104364), (2899, 100080), (3120, 92991), (3336, 86970), (3345, 86736), (3568, 81315), (3614, 80280), (4014, 72280), (4170, 69576), (4460, 65052), (4680, 61994), (5004, 57980), (5352, 54210), (5421, 53520), (5560, 52182), (5798, 50040), (6255, 46384), (6672, 43485), (6690, 43368), (7228, 40140), (8028, 36140), (8340, 34788), (8697, 33360), (8920, 32526), (9035, 32112), (9360, 30997), (10008, 28990), (10035, 28912), (10704, 27105), (10842, 26760), (11120, 26091), (11596, 25020), (12510, 23192), (13380, 21684), (14456, 20070), (14495, 20016), (16056, 18070), (16263, 17840), (16680, 17394)]