168250940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:783

約数の個数: 96

約数和(自身を含む): 420396480

約数和(自身を除く): 252145540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 89, 110, 130, 143, 178, 220, 260, 286, 356, 445, 572, 661, 715, 890, 979, 1157, 1322, 1430, 1780, 1958, 2314, 2644, 2860, 3305, 3916, 4628, 4895, 5785, 6610, 7271, 8593, 9790, 11570, 12727, 13220, 14542, 17186, 19580, 23140, 25454, 29084, 34372, 36355, 42965, 50908, 58829, 63635, 72710, 85930, 94523, 117658, 127270, 145420, 171860, 189046, 235316, 254540, 294145, 378092, 472615, 588290, 647119, 764777, 945230, 1176580, 1294238, 1529554, 1890460, 2588476, 3059108, 3235595, 3823885, 6471190, 7647770, 8412547, 12942380, 15295540, 16825094, 33650188, 42062735, 84125470, 168250940]

約数ペア:

[(1, 168250940), (2, 84125470), (4, 42062735), (5, 33650188), (10, 16825094), (11, 15295540), (13, 12942380), (20, 8412547), (22, 7647770), (26, 6471190), (44, 3823885), (52, 3235595), (55, 3059108), (65, 2588476), (89, 1890460), (110, 1529554), (130, 1294238), (143, 1176580), (178, 945230), (220, 764777), (260, 647119), (286, 588290), (356, 472615), (445, 378092), (572, 294145), (661, 254540), (715, 235316), (890, 189046), (979, 171860), (1157, 145420), (1322, 127270), (1430, 117658), (1780, 94523), (1958, 85930), (2314, 72710), (2644, 63635), (2860, 58829), (3305, 50908), (3916, 42965), (4628, 36355), (4895, 34372), (5785, 29084), (6610, 25454), (7271, 23140), (8593, 19580), (9790, 17186), (11570, 14542), (12727, 13220)]