123168760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 331853760

約数和(自身を除く): 208685000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 61, 65, 88, 104, 110, 122, 130, 143, 220, 244, 260, 286, 305, 353, 440, 488, 520, 572, 610, 671, 706, 715, 793, 1144, 1220, 1342, 1412, 1430, 1586, 1765, 2440, 2684, 2824, 2860, 3172, 3355, 3530, 3883, 3965, 4589, 5368, 5720, 6344, 6710, 7060, 7766, 7930, 8723, 9178, 13420, 14120, 15532, 15860, 17446, 18356, 19415, 21533, 22945, 26840, 31064, 31720, 34892, 36712, 38830, 43066, 43615, 45890, 50479, 69784, 77660, 86132, 87230, 91780, 100958, 107665, 155320, 172264, 174460, 183560, 201916, 215330, 236863, 252395, 279929, 348920, 403832, 430660, 473726, 504790, 559858, 861320, 947452, 1009580, 1119716, 1184315, 1399645, 1894904, 2019160, 2239432, 2368630, 2799290, 3079219, 4737260, 5598580, 6158438, 9474520, 11197160, 12316876, 15396095, 24633752, 30792190, 61584380, 123168760]

約数ペア:

[(1, 123168760), (2, 61584380), (4, 30792190), (5, 24633752), (8, 15396095), (10, 12316876), (11, 11197160), (13, 9474520), (20, 6158438), (22, 5598580), (26, 4737260), (40, 3079219), (44, 2799290), (52, 2368630), (55, 2239432), (61, 2019160), (65, 1894904), (88, 1399645), (104, 1184315), (110, 1119716), (122, 1009580), (130, 947452), (143, 861320), (220, 559858), (244, 504790), (260, 473726), (286, 430660), (305, 403832), (353, 348920), (440, 279929), (488, 252395), (520, 236863), (572, 215330), (610, 201916), (671, 183560), (706, 174460), (715, 172264), (793, 155320), (1144, 107665), (1220, 100958), (1342, 91780), (1412, 87230), (1430, 86132), (1586, 77660), (1765, 69784), (2440, 50479), (2684, 45890), (2824, 43615), (2860, 43066), (3172, 38830), (3355, 36712), (3530, 34892), (3883, 31720), (3965, 31064), (4589, 26840), (5368, 22945), (5720, 21533), (6344, 19415), (6710, 18356), (7060, 17446), (7766, 15860), (7930, 15532), (8723, 14120), (9178, 13420)]