31521040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 78709248

約数和(自身を除く): 47188208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 296, 368, 370, 460, 463, 592, 740, 851, 920, 926, 1480, 1702, 1840, 1852, 2315, 2960, 3404, 3704, 4255, 4630, 6808, 7408, 8510, 9260, 10649, 13616, 17020, 17131, 18520, 21298, 34040, 34262, 37040, 42596, 53245, 68080, 68524, 85192, 85655, 106490, 137048, 170384, 171310, 212980, 274096, 342620, 394013, 425960, 685240, 788026, 851920, 1370480, 1576052, 1970065, 3152104, 3940130, 6304208, 7880260, 15760520, 31521040]

約数ペア:

[(1, 31521040), (2, 15760520), (4, 7880260), (5, 6304208), (8, 3940130), (10, 3152104), (16, 1970065), (20, 1576052), (23, 1370480), (37, 851920), (40, 788026), (46, 685240), (74, 425960), (80, 394013), (92, 342620), (115, 274096), (148, 212980), (184, 171310), (185, 170384), (230, 137048), (296, 106490), (368, 85655), (370, 85192), (460, 68524), (463, 68080), (592, 53245), (740, 42596), (851, 37040), (920, 34262), (926, 34040), (1480, 21298), (1702, 18520), (1840, 17131), (1852, 17020), (2315, 13616), (2960, 10649), (3404, 9260), (3704, 8510), (4255, 7408), (4630, 6808)]