123303720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60443}}^1$

素因数の和:60474

約数の個数: 64

約数和(自身を含む): 391677120

約数和(自身を除く): 268373400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 60443, 120886, 181329, 241772, 302215, 362658, 483544, 604430, 725316, 906645, 1027531, 1208860, 1450632, 1813290, 2055062, 2417720, 3082593, 3626580, 4110124, 5137655, 6165186, 7253160, 8220248, 10275310, 12330372, 15412965, 20550620, 24660744, 30825930, 41101240, 61651860, 123303720]

約数ペア:

[(1, 123303720), (2, 61651860), (3, 41101240), (4, 30825930), (5, 24660744), (6, 20550620), (8, 15412965), (10, 12330372), (12, 10275310), (15, 8220248), (17, 7253160), (20, 6165186), (24, 5137655), (30, 4110124), (34, 3626580), (40, 3082593), (51, 2417720), (60, 2055062), (68, 1813290), (85, 1450632), (102, 1208860), (120, 1027531), (136, 906645), (170, 725316), (204, 604430), (255, 483544), (340, 362658), (408, 302215), (510, 241772), (680, 181329), (1020, 120886), (2040, 60443)]