89372920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 253693440

約数和(自身を除く): 164320520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 455, 520, 559, 571, 602, 728, 860, 910, 1118, 1142, 1204, 1505, 1720, 1820, 2236, 2284, 2408, 2795, 2855, 3010, 3640, 3913, 3997, 4472, 4568, 5590, 5710, 6020, 7423, 7826, 7994, 11180, 11420, 12040, 14846, 15652, 15988, 19565, 19985, 22360, 22840, 24553, 29692, 31304, 31976, 37115, 39130, 39970, 49106, 51961, 59384, 74230, 78260, 79940, 98212, 103922, 122765, 148460, 156520, 159880, 171871, 196424, 207844, 245530, 259805, 296920, 319189, 343742, 415688, 491060, 519610, 638378, 687484, 859355, 982120, 1039220, 1276756, 1374968, 1595945, 1718710, 2078440, 2234323, 2553512, 3191890, 3437420, 4468646, 6383780, 6874840, 8937292, 11171615, 12767560, 17874584, 22343230, 44686460, 89372920]

約数ペア:

[(1, 89372920), (2, 44686460), (4, 22343230), (5, 17874584), (7, 12767560), (8, 11171615), (10, 8937292), (13, 6874840), (14, 6383780), (20, 4468646), (26, 3437420), (28, 3191890), (35, 2553512), (40, 2234323), (43, 2078440), (52, 1718710), (56, 1595945), (65, 1374968), (70, 1276756), (86, 1039220), (91, 982120), (104, 859355), (130, 687484), (140, 638378), (172, 519610), (182, 491060), (215, 415688), (260, 343742), (280, 319189), (301, 296920), (344, 259805), (364, 245530), (430, 207844), (455, 196424), (520, 171871), (559, 159880), (571, 156520), (602, 148460), (728, 122765), (860, 103922), (910, 98212), (1118, 79940), (1142, 78260), (1204, 74230), (1505, 59384), (1720, 51961), (1820, 49106), (2236, 39970), (2284, 39130), (2408, 37115), (2795, 31976), (2855, 31304), (3010, 29692), (3640, 24553), (3913, 22840), (3997, 22360), (4472, 19985), (4568, 19565), (5590, 15988), (5710, 15652), (6020, 14846), (7423, 12040), (7826, 11420), (7994, 11180)]