165407320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 415391760

約数和(自身を除く): 249984440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 331, 403, 520, 620, 662, 806, 961, 1240, 1324, 1612, 1655, 1922, 2015, 2648, 3224, 3310, 3844, 4030, 4303, 4805, 6620, 7688, 8060, 8606, 9610, 10261, 12493, 13240, 16120, 17212, 19220, 20522, 21515, 24986, 34424, 38440, 41044, 43030, 49972, 51305, 62465, 82088, 86060, 99944, 102610, 124930, 133393, 172120, 205220, 249860, 266786, 318091, 410440, 499720, 533572, 636182, 666965, 1067144, 1272364, 1333930, 1590455, 2544728, 2667860, 3180910, 4135183, 5335720, 6361820, 8270366, 12723640, 16540732, 20675915, 33081464, 41351830, 82703660, 165407320]

約数ペア:

[(1, 165407320), (2, 82703660), (4, 41351830), (5, 33081464), (8, 20675915), (10, 16540732), (13, 12723640), (20, 8270366), (26, 6361820), (31, 5335720), (40, 4135183), (52, 3180910), (62, 2667860), (65, 2544728), (104, 1590455), (124, 1333930), (130, 1272364), (155, 1067144), (248, 666965), (260, 636182), (310, 533572), (331, 499720), (403, 410440), (520, 318091), (620, 266786), (662, 249860), (806, 205220), (961, 172120), (1240, 133393), (1324, 124930), (1612, 102610), (1655, 99944), (1922, 86060), (2015, 82088), (2648, 62465), (3224, 51305), (3310, 49972), (3844, 43030), (4030, 41044), (4303, 38440), (4805, 34424), (6620, 24986), (7688, 21515), (8060, 20522), (8606, 19220), (9610, 17212), (10261, 16120), (12493, 13240)]