28306440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1367

約数の個数: 96

約数和(自身を含む): 93576600

約数和(自身を除く): 65270160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1289, 1464, 1830, 2196, 2440, 2578, 2745, 3660, 3867, 4392, 5156, 5490, 6445, 7320, 7734, 10312, 10980, 11601, 12890, 15468, 19335, 21960, 23202, 25780, 30936, 38670, 46404, 51560, 58005, 77340, 78629, 92808, 116010, 154680, 157258, 232020, 235887, 314516, 393145, 464040, 471774, 629032, 707661, 786290, 943548, 1179435, 1415322, 1572580, 1887096, 2358870, 2830644, 3145160, 3538305, 4717740, 5661288, 7076610, 9435480, 14153220, 28306440]

約数ペア:

[(1, 28306440), (2, 14153220), (3, 9435480), (4, 7076610), (5, 5661288), (6, 4717740), (8, 3538305), (9, 3145160), (10, 2830644), (12, 2358870), (15, 1887096), (18, 1572580), (20, 1415322), (24, 1179435), (30, 943548), (36, 786290), (40, 707661), (45, 629032), (60, 471774), (61, 464040), (72, 393145), (90, 314516), (120, 235887), (122, 232020), (180, 157258), (183, 154680), (244, 116010), (305, 92808), (360, 78629), (366, 77340), (488, 58005), (549, 51560), (610, 46404), (732, 38670), (915, 30936), (1098, 25780), (1220, 23202), (1289, 21960), (1464, 19335), (1830, 15468), (2196, 12890), (2440, 11601), (2578, 10980), (2745, 10312), (3660, 7734), (3867, 7320), (4392, 6445), (5156, 5490)]