72885280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:618

約数の個数: 96

約数和(自身を含む): 188564544

約数和(自身を除く): 115679264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 67, 80, 104, 130, 134, 160, 208, 260, 268, 335, 416, 520, 523, 536, 670, 871, 1040, 1046, 1072, 1340, 1742, 2080, 2092, 2144, 2615, 2680, 3484, 4184, 4355, 5230, 5360, 6799, 6968, 8368, 8710, 10460, 10720, 13598, 13936, 16736, 17420, 20920, 27196, 27872, 33995, 34840, 35041, 41840, 54392, 67990, 69680, 70082, 83680, 108784, 135980, 139360, 140164, 175205, 217568, 271960, 280328, 350410, 455533, 543920, 560656, 700820, 911066, 1087840, 1121312, 1401640, 1822132, 2277665, 2803280, 3644264, 4555330, 5606560, 7288528, 9110660, 14577056, 18221320, 36442640, 72885280]

約数ペア:

[(1, 72885280), (2, 36442640), (4, 18221320), (5, 14577056), (8, 9110660), (10, 7288528), (13, 5606560), (16, 4555330), (20, 3644264), (26, 2803280), (32, 2277665), (40, 1822132), (52, 1401640), (65, 1121312), (67, 1087840), (80, 911066), (104, 700820), (130, 560656), (134, 543920), (160, 455533), (208, 350410), (260, 280328), (268, 271960), (335, 217568), (416, 175205), (520, 140164), (523, 139360), (536, 135980), (670, 108784), (871, 83680), (1040, 70082), (1046, 69680), (1072, 67990), (1340, 54392), (1742, 41840), (2080, 35041), (2092, 34840), (2144, 33995), (2615, 27872), (2680, 27196), (3484, 20920), (4184, 17420), (4355, 16736), (5230, 13936), (5360, 13598), (6799, 10720), (6968, 10460), (8368, 8710)]