28784340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12301}}^1$

素因数の和:12329

約数の個数: 72

約数和(自身を含む): 94036488

約数和(自身を除く): 65252148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12301, 24602, 36903, 49204, 61505, 73806, 110709, 123010, 147612, 159913, 184515, 221418, 246020, 319826, 369030, 442836, 479739, 553545, 639652, 738060, 799565, 959478, 1107090, 1439217, 1599130, 1918956, 2214180, 2398695, 2878434, 3198260, 4797390, 5756868, 7196085, 9594780, 14392170, 28784340]

約数ペア:

[(1, 28784340), (2, 14392170), (3, 9594780), (4, 7196085), (5, 5756868), (6, 4797390), (9, 3198260), (10, 2878434), (12, 2398695), (13, 2214180), (15, 1918956), (18, 1599130), (20, 1439217), (26, 1107090), (30, 959478), (36, 799565), (39, 738060), (45, 639652), (52, 553545), (60, 479739), (65, 442836), (78, 369030), (90, 319826), (117, 246020), (130, 221418), (156, 184515), (180, 159913), (195, 147612), (234, 123010), (260, 110709), (390, 73806), (468, 61505), (585, 49204), (780, 36903), (1170, 24602), (2340, 12301)]