13481680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 34712064

約数和(自身を除く): 21230384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 431, 460, 680, 782, 862, 920, 1360, 1564, 1724, 1840, 1955, 2155, 3128, 3448, 3910, 4310, 6256, 6896, 7327, 7820, 8620, 9913, 14654, 15640, 17240, 19826, 29308, 31280, 34480, 36635, 39652, 49565, 58616, 73270, 79304, 99130, 117232, 146540, 158608, 168521, 198260, 293080, 337042, 396520, 586160, 674084, 793040, 842605, 1348168, 1685210, 2696336, 3370420, 6740840, 13481680]

約数ペア:

[(1, 13481680), (2, 6740840), (4, 3370420), (5, 2696336), (8, 1685210), (10, 1348168), (16, 842605), (17, 793040), (20, 674084), (23, 586160), (34, 396520), (40, 337042), (46, 293080), (68, 198260), (80, 168521), (85, 158608), (92, 146540), (115, 117232), (136, 99130), (170, 79304), (184, 73270), (230, 58616), (272, 49565), (340, 39652), (368, 36635), (391, 34480), (431, 31280), (460, 29308), (680, 19826), (782, 17240), (862, 15640), (920, 14654), (1360, 9913), (1564, 8620), (1724, 7820), (1840, 7327), (1955, 6896), (2155, 6256), (3128, 4310), (3448, 3910)]