642665400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{82393}}^1$

素因数の和:82425

約数の個数: 96

約数和(自身を含む): 2145539760

約数和(自身を除く): 1502874360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 82393, 164786, 247179, 329572, 411965, 494358, 659144, 823930, 988716, 1071109, 1235895, 1647860, 1977432, 2059825, 2142218, 2471790, 3213327, 3295720, 4119650, 4284436, 4943580, 5355545, 6179475, 6426654, 8239300, 8568872, 9887160, 10711090, 12358950, 12853308, 16066635, 16478600, 21422180, 24717900, 25706616, 26777725, 32133270, 42844360, 49435800, 53555450, 64266540, 80333175, 107110900, 128533080, 160666350, 214221800, 321332700, 642665400]

約数ペア:

[(1, 642665400), (2, 321332700), (3, 214221800), (4, 160666350), (5, 128533080), (6, 107110900), (8, 80333175), (10, 64266540), (12, 53555450), (13, 49435800), (15, 42844360), (20, 32133270), (24, 26777725), (25, 25706616), (26, 24717900), (30, 21422180), (39, 16478600), (40, 16066635), (50, 12853308), (52, 12358950), (60, 10711090), (65, 9887160), (75, 8568872), (78, 8239300), (100, 6426654), (104, 6179475), (120, 5355545), (130, 4943580), (150, 4284436), (156, 4119650), (195, 3295720), (200, 3213327), (260, 2471790), (300, 2142218), (312, 2059825), (325, 1977432), (390, 1647860), (520, 1235895), (600, 1071109), (650, 988716), (780, 823930), (975, 659144), (1300, 494358), (1560, 411965), (1950, 329572), (2600, 247179), (3900, 164786), (7800, 82393)]