15689960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 41899680

約数和(自身を除く): 26209720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 211, 220, 260, 286, 338, 422, 440, 520, 572, 676, 715, 844, 845, 1055, 1144, 1352, 1430, 1688, 1690, 1859, 2110, 2321, 2743, 2860, 3380, 3718, 4220, 4642, 5486, 5720, 6760, 7436, 8440, 9284, 9295, 10972, 11605, 13715, 14872, 18568, 18590, 21944, 23210, 27430, 30173, 35659, 37180, 46420, 54860, 60346, 71318, 74360, 92840, 109720, 120692, 142636, 150865, 178295, 241384, 285272, 301730, 356590, 392249, 603460, 713180, 784498, 1206920, 1426360, 1568996, 1961245, 3137992, 3922490, 7844980, 15689960]

約数ペア:

[(1, 15689960), (2, 7844980), (4, 3922490), (5, 3137992), (8, 1961245), (10, 1568996), (11, 1426360), (13, 1206920), (20, 784498), (22, 713180), (26, 603460), (40, 392249), (44, 356590), (52, 301730), (55, 285272), (65, 241384), (88, 178295), (104, 150865), (110, 142636), (130, 120692), (143, 109720), (169, 92840), (211, 74360), (220, 71318), (260, 60346), (286, 54860), (338, 46420), (422, 37180), (440, 35659), (520, 30173), (572, 27430), (676, 23210), (715, 21944), (844, 18590), (845, 18568), (1055, 14872), (1144, 13715), (1352, 11605), (1430, 10972), (1688, 9295), (1690, 9284), (1859, 8440), (2110, 7436), (2321, 6760), (2743, 5720), (2860, 5486), (3380, 4642), (3718, 4220)]