638103960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1047

約数の個数: 256

約数和(自身を含む): 2341785600

約数和(自身を除く): 1703681640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 47, 52, 54, 60, 65, 72, 78, 90, 94, 104, 108, 117, 120, 130, 135, 141, 156, 180, 188, 195, 216, 234, 235, 260, 270, 282, 312, 351, 360, 376, 390, 423, 468, 470, 520, 540, 564, 585, 611, 702, 705, 780, 846, 936, 940, 967, 1080, 1128, 1170, 1222, 1269, 1404, 1410, 1560, 1692, 1755, 1833, 1880, 1934, 2115, 2340, 2444, 2538, 2808, 2820, 2901, 3055, 3384, 3510, 3666, 3868, 4230, 4680, 4835, 4888, 5076, 5499, 5640, 5802, 6110, 6345, 7020, 7332, 7736, 8460, 8703, 9165, 9670, 10152, 10998, 11604, 12220, 12571, 12690, 14040, 14505, 14664, 16497, 16920, 17406, 18330, 19340, 21996, 23208, 24440, 25142, 25380, 26109, 27495, 29010, 32994, 34812, 36660, 37713, 38680, 43515, 43992, 45449, 50284, 50760, 52218, 54990, 58020, 62855, 65988, 69624, 73320, 75426, 82485, 87030, 90898, 100568, 104436, 109980, 113139, 116040, 125710, 130545, 131976, 136347, 150852, 164970, 174060, 181796, 188565, 208872, 219960, 226278, 227245, 251420, 261090, 272694, 301704, 329940, 339417, 348120, 363592, 377130, 409041, 452556, 454490, 502840, 522180, 545388, 565695, 590837, 659880, 678834, 681735, 754260, 818082, 905112, 908980, 1044360, 1090776, 1131390, 1181674, 1227123, 1357668, 1363470, 1508520, 1636164, 1697085, 1772511, 1817960, 2045205, 2262780, 2363348, 2454246, 2715336, 2726940, 2954185, 3272328, 3394170, 3545022, 4090410, 4525560, 4726696, 4908492, 5317533, 5453880, 5908370, 6135615, 6788340, 7090044, 8180820, 8862555, 9816984, 10635066, 11816740, 12271230, 13576680, 14180088, 15952599, 16361640, 17725110, 21270132, 23633480, 24542460, 26587665, 31905198, 35450220, 42540264, 49084920, 53175330, 63810396, 70900440, 79762995, 106350660, 127620792, 159525990, 212701320, 319051980, 638103960]

約数ペア:

[(1, 638103960), (2, 319051980), (3, 212701320), (4, 159525990), (5, 127620792), (6, 106350660), (8, 79762995), (9, 70900440), (10, 63810396), (12, 53175330), (13, 49084920), (15, 42540264), (18, 35450220), (20, 31905198), (24, 26587665), (26, 24542460), (27, 23633480), (30, 21270132), (36, 17725110), (39, 16361640), (40, 15952599), (45, 14180088), (47, 13576680), (52, 12271230), (54, 11816740), (60, 10635066), (65, 9816984), (72, 8862555), (78, 8180820), (90, 7090044), (94, 6788340), (104, 6135615), (108, 5908370), (117, 5453880), (120, 5317533), (130, 4908492), (135, 4726696), (141, 4525560), (156, 4090410), (180, 3545022), (188, 3394170), (195, 3272328), (216, 2954185), (234, 2726940), (235, 2715336), (260, 2454246), (270, 2363348), (282, 2262780), (312, 2045205), (351, 1817960), (360, 1772511), (376, 1697085), (390, 1636164), (423, 1508520), (468, 1363470), (470, 1357668), (520, 1227123), (540, 1181674), (564, 1131390), (585, 1090776), (611, 1044360), (702, 908980), (705, 905112), (780, 818082), (846, 754260), (936, 681735), (940, 678834), (967, 659880), (1080, 590837), (1128, 565695), (1170, 545388), (1222, 522180), (1269, 502840), (1404, 454490), (1410, 452556), (1560, 409041), (1692, 377130), (1755, 363592), (1833, 348120), (1880, 339417), (1934, 329940), (2115, 301704), (2340, 272694), (2444, 261090), (2538, 251420), (2808, 227245), (2820, 226278), (2901, 219960), (3055, 208872), (3384, 188565), (3510, 181796), (3666, 174060), (3868, 164970), (4230, 150852), (4680, 136347), (4835, 131976), (4888, 130545), (5076, 125710), (5499, 116040), (5640, 113139), (5802, 109980), (6110, 104436), (6345, 100568), (7020, 90898), (7332, 87030), (7736, 82485), (8460, 75426), (8703, 73320), (9165, 69624), (9670, 65988), (10152, 62855), (10998, 58020), (11604, 54990), (12220, 52218), (12571, 50760), (12690, 50284), (14040, 45449), (14505, 43992), (14664, 43515), (16497, 38680), (16920, 37713), (17406, 36660), (18330, 34812), (19340, 32994), (21996, 29010), (23208, 27495), (24440, 26109), (25142, 25380)]