123502720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 128

約数和(自身を含む): 329158080

約数和(自身を除く): 205655360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 128, 160, 176, 212, 220, 265, 320, 331, 352, 424, 440, 530, 583, 640, 662, 704, 848, 880, 1060, 1166, 1324, 1408, 1655, 1696, 1760, 2120, 2332, 2648, 2915, 3310, 3392, 3520, 3641, 4240, 4664, 5296, 5830, 6620, 6784, 7040, 7282, 8480, 9328, 10592, 11660, 13240, 14564, 16960, 17543, 18205, 18656, 21184, 23320, 26480, 29128, 33920, 35086, 36410, 37312, 42368, 46640, 52960, 58256, 70172, 72820, 74624, 87715, 93280, 105920, 116512, 140344, 145640, 175430, 186560, 192973, 211840, 233024, 280688, 291280, 350860, 373120, 385946, 466048, 561376, 582560, 701720, 771892, 964865, 1122752, 1165120, 1403440, 1543784, 1929730, 2245504, 2330240, 2806880, 3087568, 3859460, 5613760, 6175136, 7718920, 11227520, 12350272, 15437840, 24700544, 30875680, 61751360, 123502720]

約数ペア:

[(1, 123502720), (2, 61751360), (4, 30875680), (5, 24700544), (8, 15437840), (10, 12350272), (11, 11227520), (16, 7718920), (20, 6175136), (22, 5613760), (32, 3859460), (40, 3087568), (44, 2806880), (53, 2330240), (55, 2245504), (64, 1929730), (80, 1543784), (88, 1403440), (106, 1165120), (110, 1122752), (128, 964865), (160, 771892), (176, 701720), (212, 582560), (220, 561376), (265, 466048), (320, 385946), (331, 373120), (352, 350860), (424, 291280), (440, 280688), (530, 233024), (583, 211840), (640, 192973), (662, 186560), (704, 175430), (848, 145640), (880, 140344), (1060, 116512), (1166, 105920), (1324, 93280), (1408, 87715), (1655, 74624), (1696, 72820), (1760, 70172), (2120, 58256), (2332, 52960), (2648, 46640), (2915, 42368), (3310, 37312), (3392, 36410), (3520, 35086), (3641, 33920), (4240, 29128), (4664, 26480), (5296, 23320), (5830, 21184), (6620, 18656), (6784, 18205), (7040, 17543), (7282, 16960), (8480, 14564), (9328, 13240), (10592, 11660)]