1275716960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 288

約数和(自身を含む): 3764517120

約数和(自身を除く): 2488800160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 49, 56, 58, 62, 70, 80, 98, 112, 116, 124, 140, 145, 155, 160, 181, 196, 203, 217, 224, 232, 245, 248, 280, 290, 310, 362, 392, 406, 434, 464, 490, 496, 560, 580, 620, 724, 784, 812, 868, 899, 905, 928, 980, 992, 1015, 1085, 1120, 1160, 1240, 1267, 1421, 1448, 1519, 1568, 1624, 1736, 1798, 1810, 1960, 2030, 2170, 2320, 2480, 2534, 2842, 2896, 3038, 3248, 3472, 3596, 3620, 3920, 4060, 4340, 4495, 4640, 4960, 5068, 5249, 5611, 5684, 5792, 6076, 6293, 6335, 6496, 6944, 7105, 7192, 7240, 7595, 7840, 8120, 8680, 8869, 8990, 10136, 10498, 11222, 11368, 12152, 12586, 12670, 14210, 14384, 14480, 15190, 16240, 17360, 17738, 17980, 20272, 20996, 22444, 22736, 24304, 25172, 25340, 26245, 28055, 28420, 28768, 28960, 30380, 31465, 32480, 34720, 35476, 35960, 36743, 39277, 40544, 41992, 44051, 44345, 44888, 45472, 48608, 50344, 50680, 52490, 56110, 56840, 60760, 62930, 70952, 71920, 73486, 78554, 83984, 88102, 88690, 89776, 100688, 101360, 104980, 112220, 113680, 121520, 125860, 141904, 143840, 146972, 157108, 162719, 167968, 176204, 177380, 179552, 183715, 196385, 201376, 202720, 209960, 220255, 224440, 227360, 243040, 251720, 257201, 274939, 283808, 293944, 314216, 325438, 352408, 354760, 367430, 392770, 419920, 440510, 448880, 503440, 514402, 549878, 587888, 628432, 650876, 704816, 709520, 734860, 785540, 813595, 839840, 881020, 897760, 1006880, 1028804, 1099756, 1139033, 1175776, 1256864, 1286005, 1301752, 1374695, 1409632, 1419040, 1469720, 1571080, 1627190, 1762040, 2057608, 2199512, 2278066, 2572010, 2603504, 2749390, 2939440, 3142160, 3254380, 3524080, 4115216, 4399024, 4556132, 5144020, 5207008, 5498780, 5695165, 5878880, 6284320, 6508760, 7048160, 7973231, 8230432, 8798048, 9112264, 10288040, 10997560, 11390330, 13017520, 15946462, 18224528, 20576080, 21995120, 22780660, 26035040, 31892924, 36449056, 39866155, 41152160, 43990240, 45561320, 63785848, 79732310, 91122640, 127571696, 159464620, 182245280, 255143392, 318929240, 637858480, 1275716960]

約数ペア:

[(1, 1275716960), (2, 637858480), (4, 318929240), (5, 255143392), (7, 182245280), (8, 159464620), (10, 127571696), (14, 91122640), (16, 79732310), (20, 63785848), (28, 45561320), (29, 43990240), (31, 41152160), (32, 39866155), (35, 36449056), (40, 31892924), (49, 26035040), (56, 22780660), (58, 21995120), (62, 20576080), (70, 18224528), (80, 15946462), (98, 13017520), (112, 11390330), (116, 10997560), (124, 10288040), (140, 9112264), (145, 8798048), (155, 8230432), (160, 7973231), (181, 7048160), (196, 6508760), (203, 6284320), (217, 5878880), (224, 5695165), (232, 5498780), (245, 5207008), (248, 5144020), (280, 4556132), (290, 4399024), (310, 4115216), (362, 3524080), (392, 3254380), (406, 3142160), (434, 2939440), (464, 2749390), (490, 2603504), (496, 2572010), (560, 2278066), (580, 2199512), (620, 2057608), (724, 1762040), (784, 1627190), (812, 1571080), (868, 1469720), (899, 1419040), (905, 1409632), (928, 1374695), (980, 1301752), (992, 1286005), (1015, 1256864), (1085, 1175776), (1120, 1139033), (1160, 1099756), (1240, 1028804), (1267, 1006880), (1421, 897760), (1448, 881020), (1519, 839840), (1568, 813595), (1624, 785540), (1736, 734860), (1798, 709520), (1810, 704816), (1960, 650876), (2030, 628432), (2170, 587888), (2320, 549878), (2480, 514402), (2534, 503440), (2842, 448880), (2896, 440510), (3038, 419920), (3248, 392770), (3472, 367430), (3596, 354760), (3620, 352408), (3920, 325438), (4060, 314216), (4340, 293944), (4495, 283808), (4640, 274939), (4960, 257201), (5068, 251720), (5249, 243040), (5611, 227360), (5684, 224440), (5792, 220255), (6076, 209960), (6293, 202720), (6335, 201376), (6496, 196385), (6944, 183715), (7105, 179552), (7192, 177380), (7240, 176204), (7595, 167968), (7840, 162719), (8120, 157108), (8680, 146972), (8869, 143840), (8990, 141904), (10136, 125860), (10498, 121520), (11222, 113680), (11368, 112220), (12152, 104980), (12586, 101360), (12670, 100688), (14210, 89776), (14384, 88690), (14480, 88102), (15190, 83984), (16240, 78554), (17360, 73486), (17738, 71920), (17980, 70952), (20272, 62930), (20996, 60760), (22444, 56840), (22736, 56110), (24304, 52490), (25172, 50680), (25340, 50344), (26245, 48608), (28055, 45472), (28420, 44888), (28768, 44345), (28960, 44051), (30380, 41992), (31465, 40544), (32480, 39277), (34720, 36743), (35476, 35960)]