81441720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1033}}^1$

素因数の和:1126

約数の個数: 128

約数和(自身を含む): 275457600

約数和(自身を除く): 194015880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 216, 219, 270, 292, 360, 365, 438, 540, 584, 657, 730, 876, 1033, 1080, 1095, 1314, 1460, 1752, 1971, 2066, 2190, 2628, 2920, 3099, 3285, 3942, 4132, 4380, 5165, 5256, 6198, 6570, 7884, 8264, 8760, 9297, 9855, 10330, 12396, 13140, 15495, 15768, 18594, 19710, 20660, 24792, 26280, 27891, 30990, 37188, 39420, 41320, 46485, 55782, 61980, 74376, 75409, 78840, 92970, 111564, 123960, 139455, 150818, 185940, 223128, 226227, 278910, 301636, 371880, 377045, 452454, 557820, 603272, 678681, 754090, 904908, 1115640, 1131135, 1357362, 1508180, 1809816, 2036043, 2262270, 2714724, 3016360, 3393405, 4072086, 4524540, 5429448, 6786810, 8144172, 9049080, 10180215, 13573620, 16288344, 20360430, 27147240, 40720860, 81441720]

約数ペア:

[(1, 81441720), (2, 40720860), (3, 27147240), (4, 20360430), (5, 16288344), (6, 13573620), (8, 10180215), (9, 9049080), (10, 8144172), (12, 6786810), (15, 5429448), (18, 4524540), (20, 4072086), (24, 3393405), (27, 3016360), (30, 2714724), (36, 2262270), (40, 2036043), (45, 1809816), (54, 1508180), (60, 1357362), (72, 1131135), (73, 1115640), (90, 904908), (108, 754090), (120, 678681), (135, 603272), (146, 557820), (180, 452454), (216, 377045), (219, 371880), (270, 301636), (292, 278910), (360, 226227), (365, 223128), (438, 185940), (540, 150818), (584, 139455), (657, 123960), (730, 111564), (876, 92970), (1033, 78840), (1080, 75409), (1095, 74376), (1314, 61980), (1460, 55782), (1752, 46485), (1971, 41320), (2066, 39420), (2190, 37188), (2628, 30990), (2920, 27891), (3099, 26280), (3285, 24792), (3942, 20660), (4132, 19710), (4380, 18594), (5165, 15768), (5256, 15495), (6198, 13140), (6570, 12396), (7884, 10330), (8264, 9855), (8760, 9297)]