157212880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 408177000

約数和(自身を除く): 250964120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 121, 149, 176, 218, 220, 242, 298, 436, 440, 484, 545, 596, 605, 745, 872, 880, 968, 1090, 1192, 1199, 1210, 1490, 1639, 1744, 1936, 2180, 2384, 2398, 2420, 2980, 3278, 4360, 4796, 4840, 5960, 5995, 6556, 8195, 8720, 9592, 9680, 11920, 11990, 13112, 13189, 16241, 16390, 18029, 19184, 23980, 26224, 26378, 32482, 32780, 36058, 47960, 52756, 64964, 65560, 65945, 72116, 81205, 90145, 95920, 105512, 129928, 131120, 131890, 144232, 162410, 178651, 180290, 211024, 259856, 263780, 288464, 324820, 357302, 360580, 527560, 649640, 714604, 721160, 893255, 1055120, 1299280, 1429208, 1442320, 1786510, 1965161, 2858416, 3573020, 3930322, 7146040, 7860644, 9825805, 14292080, 15721288, 19651610, 31442576, 39303220, 78606440, 157212880]

約数ペア:

[(1, 157212880), (2, 78606440), (4, 39303220), (5, 31442576), (8, 19651610), (10, 15721288), (11, 14292080), (16, 9825805), (20, 7860644), (22, 7146040), (40, 3930322), (44, 3573020), (55, 2858416), (80, 1965161), (88, 1786510), (109, 1442320), (110, 1429208), (121, 1299280), (149, 1055120), (176, 893255), (218, 721160), (220, 714604), (242, 649640), (298, 527560), (436, 360580), (440, 357302), (484, 324820), (545, 288464), (596, 263780), (605, 259856), (745, 211024), (872, 180290), (880, 178651), (968, 162410), (1090, 144232), (1192, 131890), (1199, 131120), (1210, 129928), (1490, 105512), (1639, 95920), (1744, 90145), (1936, 81205), (2180, 72116), (2384, 65945), (2398, 65560), (2420, 64964), (2980, 52756), (3278, 47960), (4360, 36058), (4796, 32780), (4840, 32482), (5960, 26378), (5995, 26224), (6556, 23980), (8195, 19184), (8720, 18029), (9592, 16390), (9680, 16241), (11920, 13189), (11990, 13112)]