131135360

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3359}}^1$

素因数の和:3439

約数の個数: 64

約数和(自身を含む): 318729600

約数和(自身を除く): 187594240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3359, 3904, 4880, 6718, 7808, 9760, 13436, 16795, 19520, 26872, 33590, 39040, 53744, 67180, 107488, 134360, 204899, 214976, 268720, 409798, 429952, 537440, 819596, 1024495, 1074880, 1639192, 2048990, 2149760, 3278384, 4097980, 6556768, 8195960, 13113536, 16391920, 26227072, 32783840, 65567680, 131135360]

約数ペア:

[(1, 131135360), (2, 65567680), (4, 32783840), (5, 26227072), (8, 16391920), (10, 13113536), (16, 8195960), (20, 6556768), (32, 4097980), (40, 3278384), (61, 2149760), (64, 2048990), (80, 1639192), (122, 1074880), (128, 1024495), (160, 819596), (244, 537440), (305, 429952), (320, 409798), (488, 268720), (610, 214976), (640, 204899), (976, 134360), (1220, 107488), (1952, 67180), (2440, 53744), (3359, 39040), (3904, 33590), (4880, 26872), (6718, 19520), (7808, 16795), (9760, 13436)]