1963280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 5249664

約数和(自身を除く): 3286384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 97, 110, 115, 176, 184, 194, 220, 230, 253, 368, 388, 440, 460, 485, 506, 776, 880, 920, 970, 1012, 1067, 1265, 1552, 1840, 1940, 2024, 2134, 2231, 2530, 3880, 4048, 4268, 4462, 5060, 5335, 7760, 8536, 8924, 10120, 10670, 11155, 17072, 17848, 20240, 21340, 22310, 24541, 35696, 42680, 44620, 49082, 85360, 89240, 98164, 122705, 178480, 196328, 245410, 392656, 490820, 981640, 1963280]

約数ペア:

[(1, 1963280), (2, 981640), (4, 490820), (5, 392656), (8, 245410), (10, 196328), (11, 178480), (16, 122705), (20, 98164), (22, 89240), (23, 85360), (40, 49082), (44, 44620), (46, 42680), (55, 35696), (80, 24541), (88, 22310), (92, 21340), (97, 20240), (110, 17848), (115, 17072), (176, 11155), (184, 10670), (194, 10120), (220, 8924), (230, 8536), (253, 7760), (368, 5335), (388, 5060), (440, 4462), (460, 4268), (485, 4048), (506, 3880), (776, 2530), (880, 2231), (920, 2134), (970, 2024), (1012, 1940), (1067, 1840), (1265, 1552)]