13237120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 128

約数和(自身を含む): 35814240

約数和(自身を除く): 22577120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 43, 52, 64, 65, 74, 80, 86, 104, 128, 130, 148, 160, 172, 185, 208, 215, 260, 296, 320, 344, 370, 416, 430, 481, 520, 559, 592, 640, 688, 740, 832, 860, 962, 1040, 1118, 1184, 1376, 1480, 1591, 1664, 1720, 1924, 2080, 2236, 2368, 2405, 2752, 2795, 2960, 3182, 3440, 3848, 4160, 4472, 4736, 4810, 5504, 5590, 5920, 6364, 6880, 7696, 7955, 8320, 8944, 9620, 11180, 11840, 12728, 13760, 15392, 15910, 17888, 19240, 20683, 22360, 23680, 25456, 27520, 30784, 31820, 35776, 38480, 41366, 44720, 50912, 61568, 63640, 71552, 76960, 82732, 89440, 101824, 103415, 127280, 153920, 165464, 178880, 203648, 206830, 254560, 307840, 330928, 357760, 413660, 509120, 661856, 827320, 1018240, 1323712, 1654640, 2647424, 3309280, 6618560, 13237120]

約数ペア:

[(1, 13237120), (2, 6618560), (4, 3309280), (5, 2647424), (8, 1654640), (10, 1323712), (13, 1018240), (16, 827320), (20, 661856), (26, 509120), (32, 413660), (37, 357760), (40, 330928), (43, 307840), (52, 254560), (64, 206830), (65, 203648), (74, 178880), (80, 165464), (86, 153920), (104, 127280), (128, 103415), (130, 101824), (148, 89440), (160, 82732), (172, 76960), (185, 71552), (208, 63640), (215, 61568), (260, 50912), (296, 44720), (320, 41366), (344, 38480), (370, 35776), (416, 31820), (430, 30784), (481, 27520), (520, 25456), (559, 23680), (592, 22360), (640, 20683), (688, 19240), (740, 17888), (832, 15910), (860, 15392), (962, 13760), (1040, 12728), (1118, 11840), (1184, 11180), (1376, 9620), (1480, 8944), (1591, 8320), (1664, 7955), (1720, 7696), (1924, 6880), (2080, 6364), (2236, 5920), (2368, 5590), (2405, 5504), (2752, 4810), (2795, 4736), (2960, 4472), (3182, 4160), (3440, 3848)]