131302400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 132

約数和(自身を含む): 341144832

約数和(自身を除く): 209842432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 223, 230, 256, 320, 368, 400, 446, 460, 512, 575, 640, 736, 800, 892, 920, 1024, 1115, 1150, 1280, 1472, 1600, 1784, 1840, 2230, 2300, 2560, 2944, 3200, 3568, 3680, 4460, 4600, 5120, 5129, 5575, 5888, 6400, 7136, 7360, 8920, 9200, 10258, 11150, 11776, 12800, 14272, 14720, 17840, 18400, 20516, 22300, 23552, 25600, 25645, 28544, 29440, 35680, 36800, 41032, 44600, 51290, 57088, 58880, 71360, 73600, 82064, 89200, 102580, 114176, 117760, 128225, 142720, 147200, 164128, 178400, 205160, 228352, 256450, 285440, 294400, 328256, 356800, 410320, 512900, 570880, 588800, 656512, 713600, 820640, 1025800, 1141760, 1313024, 1427200, 1641280, 2051600, 2626048, 2854400, 3282560, 4103200, 5252096, 5708800, 6565120, 8206400, 13130240, 16412800, 26260480, 32825600, 65651200, 131302400]

約数ペア:

[(1, 131302400), (2, 65651200), (4, 32825600), (5, 26260480), (8, 16412800), (10, 13130240), (16, 8206400), (20, 6565120), (23, 5708800), (25, 5252096), (32, 4103200), (40, 3282560), (46, 2854400), (50, 2626048), (64, 2051600), (80, 1641280), (92, 1427200), (100, 1313024), (115, 1141760), (128, 1025800), (160, 820640), (184, 713600), (200, 656512), (223, 588800), (230, 570880), (256, 512900), (320, 410320), (368, 356800), (400, 328256), (446, 294400), (460, 285440), (512, 256450), (575, 228352), (640, 205160), (736, 178400), (800, 164128), (892, 147200), (920, 142720), (1024, 128225), (1115, 117760), (1150, 114176), (1280, 102580), (1472, 89200), (1600, 82064), (1784, 73600), (1840, 71360), (2230, 58880), (2300, 57088), (2560, 51290), (2944, 44600), (3200, 41032), (3568, 36800), (3680, 35680), (4460, 29440), (4600, 28544), (5120, 25645), (5129, 25600), (5575, 23552), (5888, 22300), (6400, 20516), (7136, 18400), (7360, 17840), (8920, 14720), (9200, 14272), (10258, 12800), (11150, 11776)]