157440512

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:221

約数の個数: 60

約数和(自身を含む): 324297138

約数和(自身を除く): 166856626

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 71, 122, 128, 142, 244, 256, 284, 488, 512, 568, 976, 1136, 1952, 2272, 3904, 4331, 4544, 5041, 7808, 8662, 9088, 10082, 15616, 17324, 18176, 20164, 31232, 34648, 36352, 40328, 69296, 80656, 138592, 161312, 277184, 307501, 322624, 554368, 615002, 645248, 1108736, 1230004, 1290496, 2217472, 2460008, 2580992, 4920016, 9840032, 19680064, 39360128, 78720256, 157440512]

約数ペア:

[(1, 157440512), (2, 78720256), (4, 39360128), (8, 19680064), (16, 9840032), (32, 4920016), (61, 2580992), (64, 2460008), (71, 2217472), (122, 1290496), (128, 1230004), (142, 1108736), (244, 645248), (256, 615002), (284, 554368), (488, 322624), (512, 307501), (568, 277184), (976, 161312), (1136, 138592), (1952, 80656), (2272, 69296), (3904, 40328), (4331, 36352), (4544, 34648), (5041, 31232), (7808, 20164), (8662, 18176), (9088, 17324), (10082, 15616)]