263804320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2393}}^1$

素因数の和:2474

約数の個数: 96

約数和(自身を含む): 684128592

約数和(自身を除く): 420324272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 208, 212, 260, 265, 416, 424, 520, 530, 689, 848, 1040, 1060, 1378, 1696, 2080, 2120, 2393, 2756, 3445, 4240, 4786, 5512, 6890, 8480, 9572, 11024, 11965, 13780, 19144, 22048, 23930, 27560, 31109, 38288, 47860, 55120, 62218, 76576, 95720, 110240, 124436, 126829, 155545, 191440, 248872, 253658, 311090, 382880, 497744, 507316, 622180, 634145, 995488, 1014632, 1244360, 1268290, 1648777, 2029264, 2488720, 2536580, 3297554, 4058528, 4977440, 5073160, 6595108, 8243885, 10146320, 13190216, 16487770, 20292640, 26380432, 32975540, 52760864, 65951080, 131902160, 263804320]

約数ペア:

[(1, 263804320), (2, 131902160), (4, 65951080), (5, 52760864), (8, 32975540), (10, 26380432), (13, 20292640), (16, 16487770), (20, 13190216), (26, 10146320), (32, 8243885), (40, 6595108), (52, 5073160), (53, 4977440), (65, 4058528), (80, 3297554), (104, 2536580), (106, 2488720), (130, 2029264), (160, 1648777), (208, 1268290), (212, 1244360), (260, 1014632), (265, 995488), (416, 634145), (424, 622180), (520, 507316), (530, 497744), (689, 382880), (848, 311090), (1040, 253658), (1060, 248872), (1378, 191440), (1696, 155545), (2080, 126829), (2120, 124436), (2393, 110240), (2756, 95720), (3445, 76576), (4240, 62218), (4786, 55120), (5512, 47860), (6890, 38288), (8480, 31109), (9572, 27560), (11024, 23930), (11965, 22048), (13780, 19144)]