2478903560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{907}}^1$

素因数の和:1195

約数の個数: 128

約数和(自身を含む): 6558520320

約数和(自身を除く): 4079616760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 227, 280, 301, 344, 430, 454, 602, 860, 907, 908, 1135, 1204, 1505, 1589, 1720, 1814, 1816, 2270, 2408, 3010, 3178, 3628, 4535, 4540, 6020, 6349, 6356, 7256, 7945, 9070, 9080, 9761, 12040, 12698, 12712, 15890, 18140, 19522, 25396, 31745, 31780, 36280, 39001, 39044, 48805, 50792, 63490, 63560, 68327, 78002, 78088, 97610, 126980, 136654, 156004, 195005, 195220, 205889, 253960, 273007, 273308, 312008, 341635, 390010, 390440, 411778, 546014, 546616, 683270, 780020, 823556, 1029445, 1092028, 1365035, 1366540, 1441223, 1560040, 1647112, 2058890, 2184056, 2730070, 2733080, 2882446, 4117780, 5460140, 5764892, 7206115, 8235560, 8853227, 10920280, 11529784, 14412230, 17706454, 28824460, 35412908, 44266135, 57648920, 61972589, 70825816, 88532270, 123945178, 177064540, 247890356, 309862945, 354129080, 495780712, 619725890, 1239451780, 2478903560]

約数ペア:

[(1, 2478903560), (2, 1239451780), (4, 619725890), (5, 495780712), (7, 354129080), (8, 309862945), (10, 247890356), (14, 177064540), (20, 123945178), (28, 88532270), (35, 70825816), (40, 61972589), (43, 57648920), (56, 44266135), (70, 35412908), (86, 28824460), (140, 17706454), (172, 14412230), (215, 11529784), (227, 10920280), (280, 8853227), (301, 8235560), (344, 7206115), (430, 5764892), (454, 5460140), (602, 4117780), (860, 2882446), (907, 2733080), (908, 2730070), (1135, 2184056), (1204, 2058890), (1505, 1647112), (1589, 1560040), (1720, 1441223), (1814, 1366540), (1816, 1365035), (2270, 1092028), (2408, 1029445), (3010, 823556), (3178, 780020), (3628, 683270), (4535, 546616), (4540, 546014), (6020, 411778), (6349, 390440), (6356, 390010), (7256, 341635), (7945, 312008), (9070, 273308), (9080, 273007), (9761, 253960), (12040, 205889), (12698, 195220), (12712, 195005), (15890, 156004), (18140, 136654), (19522, 126980), (25396, 97610), (31745, 78088), (31780, 78002), (36280, 68327), (39001, 63560), (39044, 63490), (48805, 50792)]