71427760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 173872800

約数和(自身を除く): 102445040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 59, 74, 80, 118, 148, 185, 236, 295, 296, 370, 409, 472, 590, 592, 740, 818, 944, 1180, 1480, 1636, 2045, 2183, 2360, 2960, 3272, 4090, 4366, 4720, 6544, 8180, 8732, 10915, 15133, 16360, 17464, 21830, 24131, 30266, 32720, 34928, 43660, 48262, 60532, 75665, 87320, 96524, 120655, 121064, 151330, 174640, 193048, 241310, 242128, 302660, 386096, 482620, 605320, 892847, 965240, 1210640, 1785694, 1930480, 3571388, 4464235, 7142776, 8928470, 14285552, 17856940, 35713880, 71427760]

約数ペア:

[(1, 71427760), (2, 35713880), (4, 17856940), (5, 14285552), (8, 8928470), (10, 7142776), (16, 4464235), (20, 3571388), (37, 1930480), (40, 1785694), (59, 1210640), (74, 965240), (80, 892847), (118, 605320), (148, 482620), (185, 386096), (236, 302660), (295, 242128), (296, 241310), (370, 193048), (409, 174640), (472, 151330), (590, 121064), (592, 120655), (740, 96524), (818, 87320), (944, 75665), (1180, 60532), (1480, 48262), (1636, 43660), (2045, 34928), (2183, 32720), (2360, 30266), (2960, 24131), (3272, 21830), (4090, 17464), (4366, 16360), (4720, 15133), (6544, 10915), (8180, 8732)]