68734640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 160

約数和(自身を含む): 185613120

約数和(自身を除く): 116878480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 43, 52, 53, 58, 65, 80, 86, 104, 106, 116, 130, 145, 172, 208, 212, 215, 232, 260, 265, 290, 344, 377, 424, 430, 464, 520, 530, 559, 580, 688, 689, 754, 848, 860, 1040, 1060, 1118, 1160, 1247, 1378, 1508, 1537, 1720, 1885, 2120, 2236, 2279, 2320, 2494, 2756, 2795, 3016, 3074, 3440, 3445, 3770, 4240, 4472, 4558, 4988, 5512, 5590, 6032, 6148, 6235, 6890, 7540, 7685, 8944, 9116, 9976, 11024, 11180, 11395, 12296, 12470, 13780, 15080, 15370, 16211, 18232, 19952, 19981, 22360, 22790, 24592, 24940, 27560, 29627, 30160, 30740, 32422, 36464, 39962, 44720, 45580, 49880, 55120, 59254, 61480, 64844, 66091, 79924, 81055, 91160, 99760, 99905, 118508, 122960, 129688, 132182, 148135, 159848, 162110, 182320, 199810, 237016, 259376, 264364, 296270, 319696, 324220, 330455, 399620, 474032, 528728, 592540, 648440, 660910, 799240, 859183, 1057456, 1185080, 1296880, 1321820, 1598480, 1718366, 2370160, 2643640, 3436732, 4295915, 5287280, 6873464, 8591830, 13746928, 17183660, 34367320, 68734640]

約数ペア:

[(1, 68734640), (2, 34367320), (4, 17183660), (5, 13746928), (8, 8591830), (10, 6873464), (13, 5287280), (16, 4295915), (20, 3436732), (26, 2643640), (29, 2370160), (40, 1718366), (43, 1598480), (52, 1321820), (53, 1296880), (58, 1185080), (65, 1057456), (80, 859183), (86, 799240), (104, 660910), (106, 648440), (116, 592540), (130, 528728), (145, 474032), (172, 399620), (208, 330455), (212, 324220), (215, 319696), (232, 296270), (260, 264364), (265, 259376), (290, 237016), (344, 199810), (377, 182320), (424, 162110), (430, 159848), (464, 148135), (520, 132182), (530, 129688), (559, 122960), (580, 118508), (688, 99905), (689, 99760), (754, 91160), (848, 81055), (860, 79924), (1040, 66091), (1060, 64844), (1118, 61480), (1160, 59254), (1247, 55120), (1378, 49880), (1508, 45580), (1537, 44720), (1720, 39962), (1885, 36464), (2120, 32422), (2236, 30740), (2279, 30160), (2320, 29627), (2494, 27560), (2756, 24940), (2795, 24592), (3016, 22790), (3074, 22360), (3440, 19981), (3445, 19952), (3770, 18232), (4240, 16211), (4472, 15370), (4558, 15080), (4988, 13780), (5512, 12470), (5590, 12296), (6032, 11395), (6148, 11180), (6235, 11024), (6890, 9976), (7540, 9116), (7685, 8944)]