168561640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8761}}^1$

素因数の和:8822

約数の個数: 64

約数和(自身を含む): 419524560

約数和(自身を除く): 250962920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 8761, 9620, 17522, 19240, 35044, 43805, 70088, 87610, 113893, 175220, 227786, 324157, 350440, 455572, 569465, 648314, 911144, 1138930, 1296628, 1620785, 2277860, 2593256, 3241570, 4214041, 4555720, 6483140, 8428082, 12966280, 16856164, 21070205, 33712328, 42140410, 84280820, 168561640]

約数ペア:

[(1, 168561640), (2, 84280820), (4, 42140410), (5, 33712328), (8, 21070205), (10, 16856164), (13, 12966280), (20, 8428082), (26, 6483140), (37, 4555720), (40, 4214041), (52, 3241570), (65, 2593256), (74, 2277860), (104, 1620785), (130, 1296628), (148, 1138930), (185, 911144), (260, 648314), (296, 569465), (370, 455572), (481, 350440), (520, 324157), (740, 227786), (962, 175220), (1480, 113893), (1924, 87610), (2405, 70088), (3848, 43805), (4810, 35044), (8761, 19240), (9620, 17522)]