179947720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4993}}^1$

素因数の和:5074

約数の個数: 64

約数和(自身を含む): 436875120

約数和(自身を除く): 256927400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 3604, 4505, 4993, 7208, 9010, 9986, 18020, 19972, 24965, 36040, 39944, 49930, 84881, 99860, 169762, 199720, 264629, 339524, 424405, 529258, 679048, 848810, 1058516, 1323145, 1697620, 2117032, 2646290, 3395240, 4498693, 5292580, 8997386, 10585160, 17994772, 22493465, 35989544, 44986930, 89973860, 179947720]

約数ペア:

[(1, 179947720), (2, 89973860), (4, 44986930), (5, 35989544), (8, 22493465), (10, 17994772), (17, 10585160), (20, 8997386), (34, 5292580), (40, 4498693), (53, 3395240), (68, 2646290), (85, 2117032), (106, 1697620), (136, 1323145), (170, 1058516), (212, 848810), (265, 679048), (340, 529258), (424, 424405), (530, 339524), (680, 264629), (901, 199720), (1060, 169762), (1802, 99860), (2120, 84881), (3604, 49930), (4505, 39944), (4993, 36040), (7208, 24965), (9010, 19972), (9986, 18020)]