66319760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1552

約数の個数: 80

約数和(自身を含む): 170030784

約数和(自身を除く): 103711024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1483, 1720, 2236, 2795, 2966, 3440, 4472, 5590, 5932, 7415, 8944, 11180, 11864, 14830, 19279, 22360, 23728, 29660, 38558, 44720, 59320, 63769, 77116, 96395, 118640, 127538, 154232, 192790, 255076, 308464, 318845, 385580, 510152, 637690, 771160, 828997, 1020304, 1275380, 1542320, 1657994, 2550760, 3315988, 4144985, 5101520, 6631976, 8289970, 13263952, 16579940, 33159880, 66319760]

約数ペア:

[(1, 66319760), (2, 33159880), (4, 16579940), (5, 13263952), (8, 8289970), (10, 6631976), (13, 5101520), (16, 4144985), (20, 3315988), (26, 2550760), (40, 1657994), (43, 1542320), (52, 1275380), (65, 1020304), (80, 828997), (86, 771160), (104, 637690), (130, 510152), (172, 385580), (208, 318845), (215, 308464), (260, 255076), (344, 192790), (430, 154232), (520, 127538), (559, 118640), (688, 96395), (860, 77116), (1040, 63769), (1118, 59320), (1483, 44720), (1720, 38558), (2236, 29660), (2795, 23728), (2966, 22360), (3440, 19279), (4472, 14830), (5590, 11864), (5932, 11180), (7415, 8944)]