321984080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21523}}^1$

素因数の和:21564

約数の個数: 80

約数和(自身を含む): 864748224

約数和(自身を除く): 542764144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 21523, 43046, 86092, 107615, 172184, 215230, 236753, 344368, 365891, 430460, 473506, 731782, 860920, 947012, 1183765, 1463564, 1721840, 1829455, 1894024, 2367530, 2927128, 3658910, 3788048, 4024801, 4735060, 5854256, 7317820, 8049602, 9470120, 14635640, 16099204, 18940240, 20124005, 29271280, 32198408, 40248010, 64396816, 80496020, 160992040, 321984080]

約数ペア:

[(1, 321984080), (2, 160992040), (4, 80496020), (5, 64396816), (8, 40248010), (10, 32198408), (11, 29271280), (16, 20124005), (17, 18940240), (20, 16099204), (22, 14635640), (34, 9470120), (40, 8049602), (44, 7317820), (55, 5854256), (68, 4735060), (80, 4024801), (85, 3788048), (88, 3658910), (110, 2927128), (136, 2367530), (170, 1894024), (176, 1829455), (187, 1721840), (220, 1463564), (272, 1183765), (340, 947012), (374, 860920), (440, 731782), (680, 473506), (748, 430460), (880, 365891), (935, 344368), (1360, 236753), (1496, 215230), (1870, 172184), (2992, 107615), (3740, 86092), (7480, 43046), (14960, 21523)]