72295040

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 184187520

約数和(自身を除く): 111892480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 71, 74, 80, 86, 128, 142, 148, 160, 172, 185, 215, 284, 296, 320, 344, 355, 370, 430, 568, 592, 640, 688, 710, 740, 860, 1136, 1184, 1376, 1420, 1480, 1591, 1720, 2272, 2368, 2627, 2752, 2840, 2960, 3053, 3182, 3440, 4544, 4736, 5254, 5504, 5680, 5920, 6106, 6364, 6880, 7955, 9088, 10508, 11360, 11840, 12212, 12728, 13135, 13760, 15265, 15910, 21016, 22720, 23680, 24424, 25456, 26270, 27520, 30530, 31820, 42032, 45440, 48848, 50912, 52540, 61060, 63640, 84064, 97696, 101824, 105080, 112961, 122120, 127280, 168128, 195392, 203648, 210160, 225922, 244240, 254560, 336256, 390784, 420320, 451844, 488480, 509120, 564805, 840640, 903688, 976960, 1018240, 1129610, 1681280, 1807376, 1953920, 2259220, 3614752, 4518440, 7229504, 9036880, 14459008, 18073760, 36147520, 72295040]

約数ペア:

[(1, 72295040), (2, 36147520), (4, 18073760), (5, 14459008), (8, 9036880), (10, 7229504), (16, 4518440), (20, 3614752), (32, 2259220), (37, 1953920), (40, 1807376), (43, 1681280), (64, 1129610), (71, 1018240), (74, 976960), (80, 903688), (86, 840640), (128, 564805), (142, 509120), (148, 488480), (160, 451844), (172, 420320), (185, 390784), (215, 336256), (284, 254560), (296, 244240), (320, 225922), (344, 210160), (355, 203648), (370, 195392), (430, 168128), (568, 127280), (592, 122120), (640, 112961), (688, 105080), (710, 101824), (740, 97696), (860, 84064), (1136, 63640), (1184, 61060), (1376, 52540), (1420, 50912), (1480, 48848), (1591, 45440), (1720, 42032), (2272, 31820), (2368, 30530), (2627, 27520), (2752, 26270), (2840, 25456), (2960, 24424), (3053, 23680), (3182, 22720), (3440, 21016), (4544, 15910), (4736, 15265), (5254, 13760), (5504, 13135), (5680, 12728), (5920, 12212), (6106, 11840), (6364, 11360), (6880, 10508), (7955, 9088)]