172895440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6691}}^1$

素因数の和:6740

約数の個数: 80

約数和(自身を含む): 448096320

約数和(自身を除く): 275200880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 6691, 12920, 13382, 25840, 26764, 33455, 53528, 66910, 107056, 113747, 127129, 133820, 227494, 254258, 267640, 454988, 508516, 535280, 568735, 635645, 909976, 1017032, 1137470, 1271290, 1819952, 2034064, 2161193, 2274940, 2542580, 4322386, 4549880, 5085160, 8644772, 9099760, 10170320, 10805965, 17289544, 21611930, 34579088, 43223860, 86447720, 172895440]

約数ペア:

[(1, 172895440), (2, 86447720), (4, 43223860), (5, 34579088), (8, 21611930), (10, 17289544), (16, 10805965), (17, 10170320), (19, 9099760), (20, 8644772), (34, 5085160), (38, 4549880), (40, 4322386), (68, 2542580), (76, 2274940), (80, 2161193), (85, 2034064), (95, 1819952), (136, 1271290), (152, 1137470), (170, 1017032), (190, 909976), (272, 635645), (304, 568735), (323, 535280), (340, 508516), (380, 454988), (646, 267640), (680, 254258), (760, 227494), (1292, 133820), (1360, 127129), (1520, 113747), (1615, 107056), (2584, 66910), (3230, 53528), (5168, 33455), (6460, 26764), (6691, 25840), (12920, 13382)]