90878060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 247919616

約数和(自身を除く): 157041556

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 167, 169, 182, 230, 260, 299, 322, 334, 338, 364, 455, 460, 598, 644, 668, 676, 805, 835, 845, 910, 1169, 1183, 1196, 1495, 1610, 1670, 1690, 1820, 2093, 2171, 2338, 2366, 2990, 3220, 3340, 3380, 3841, 3887, 4186, 4342, 4676, 4732, 5845, 5915, 5980, 7682, 7774, 8372, 8684, 10465, 10855, 11690, 11830, 15197, 15364, 15548, 19205, 19435, 20930, 21710, 23380, 23660, 26887, 27209, 28223, 30394, 38410, 38870, 41860, 43420, 49933, 53774, 54418, 56446, 60788, 75985, 76820, 77740, 99866, 107548, 108836, 112892, 134435, 136045, 141115, 151970, 197561, 199732, 249665, 268870, 272090, 282230, 303940, 349531, 395122, 499330, 537740, 544180, 564460, 649129, 699062, 790244, 987805, 998660, 1298258, 1398124, 1747655, 1975610, 2596516, 3245645, 3495310, 3951220, 4543903, 6491290, 6990620, 9087806, 12982580, 18175612, 22719515, 45439030, 90878060]

約数ペア:

[(1, 90878060), (2, 45439030), (4, 22719515), (5, 18175612), (7, 12982580), (10, 9087806), (13, 6990620), (14, 6491290), (20, 4543903), (23, 3951220), (26, 3495310), (28, 3245645), (35, 2596516), (46, 1975610), (52, 1747655), (65, 1398124), (70, 1298258), (91, 998660), (92, 987805), (115, 790244), (130, 699062), (140, 649129), (161, 564460), (167, 544180), (169, 537740), (182, 499330), (230, 395122), (260, 349531), (299, 303940), (322, 282230), (334, 272090), (338, 268870), (364, 249665), (455, 199732), (460, 197561), (598, 151970), (644, 141115), (668, 136045), (676, 134435), (805, 112892), (835, 108836), (845, 107548), (910, 99866), (1169, 77740), (1183, 76820), (1196, 75985), (1495, 60788), (1610, 56446), (1670, 54418), (1690, 53774), (1820, 49933), (2093, 43420), (2171, 41860), (2338, 38870), (2366, 38410), (2990, 30394), (3220, 28223), (3340, 27209), (3380, 26887), (3841, 23660), (3887, 23380), (4186, 21710), (4342, 20930), (4676, 19435), (4732, 19205), (5845, 15548), (5915, 15364), (5980, 15197), (7682, 11830), (7774, 11690), (8372, 10855), (8684, 10465)]