19722720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2417}}^1$

素因数の和:2452

約数の個数: 96

約数和(自身を含む): 65808288

約数和(自身を除く): 46085568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2417, 2720, 4080, 4834, 7251, 8160, 9668, 12085, 14502, 19336, 24170, 29004, 36255, 38672, 41089, 48340, 58008, 72510, 77344, 82178, 96680, 116016, 123267, 145020, 164356, 193360, 205445, 232032, 246534, 290040, 328712, 386720, 410890, 493068, 580080, 616335, 657424, 821780, 986136, 1160160, 1232670, 1314848, 1643560, 1972272, 2465340, 3287120, 3944544, 4930680, 6574240, 9861360, 19722720]

約数ペア:

[(1, 19722720), (2, 9861360), (3, 6574240), (4, 4930680), (5, 3944544), (6, 3287120), (8, 2465340), (10, 1972272), (12, 1643560), (15, 1314848), (16, 1232670), (17, 1160160), (20, 986136), (24, 821780), (30, 657424), (32, 616335), (34, 580080), (40, 493068), (48, 410890), (51, 386720), (60, 328712), (68, 290040), (80, 246534), (85, 232032), (96, 205445), (102, 193360), (120, 164356), (136, 145020), (160, 123267), (170, 116016), (204, 96680), (240, 82178), (255, 77344), (272, 72510), (340, 58008), (408, 48340), (480, 41089), (510, 38672), (544, 36255), (680, 29004), (816, 24170), (1020, 19336), (1360, 14502), (1632, 12085), (2040, 9668), (2417, 8160), (2720, 7251), (4080, 4834)]