123977280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1017

約数の個数: 224

約数和(自身を含む): 474024960

約数和(自身を除く): 350047680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 399, 420, 448, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 960, 971, 1064, 1120, 1140, 1216, 1330, 1344, 1520, 1596, 1680, 1824, 1942, 1995, 2128, 2240, 2280, 2660, 2913, 3040, 3192, 3360, 3648, 3884, 3990, 4256, 4560, 4855, 5320, 5826, 6080, 6384, 6720, 6797, 7768, 7980, 8512, 9120, 9710, 10640, 11652, 12768, 13594, 14565, 15536, 15960, 18240, 18449, 19420, 20391, 21280, 23304, 25536, 27188, 29130, 31072, 31920, 33985, 36898, 38840, 40782, 42560, 46608, 54376, 55347, 58260, 62144, 63840, 67970, 73796, 77680, 81564, 92245, 93216, 101955, 108752, 110694, 116520, 127680, 129143, 135940, 147592, 155360, 163128, 184490, 186432, 203910, 217504, 221388, 233040, 258286, 271880, 276735, 295184, 310720, 326256, 368980, 387429, 407820, 435008, 442776, 466080, 516572, 543760, 553470, 590368, 645715, 652512, 737960, 774858, 815640, 885552, 932160, 1033144, 1087520, 1106940, 1180736, 1291430, 1305024, 1475920, 1549716, 1631280, 1771104, 1937145, 2066288, 2175040, 2213880, 2582860, 2951840, 3099432, 3262560, 3542208, 3874290, 4132576, 4427760, 5165720, 5903680, 6198864, 6525120, 7748580, 8265152, 8855520, 10331440, 12397728, 15497160, 17711040, 20662880, 24795456, 30994320, 41325760, 61988640, 123977280]

約数ペア:

[(1, 123977280), (2, 61988640), (3, 41325760), (4, 30994320), (5, 24795456), (6, 20662880), (7, 17711040), (8, 15497160), (10, 12397728), (12, 10331440), (14, 8855520), (15, 8265152), (16, 7748580), (19, 6525120), (20, 6198864), (21, 5903680), (24, 5165720), (28, 4427760), (30, 4132576), (32, 3874290), (35, 3542208), (38, 3262560), (40, 3099432), (42, 2951840), (48, 2582860), (56, 2213880), (57, 2175040), (60, 2066288), (64, 1937145), (70, 1771104), (76, 1631280), (80, 1549716), (84, 1475920), (95, 1305024), (96, 1291430), (105, 1180736), (112, 1106940), (114, 1087520), (120, 1033144), (133, 932160), (140, 885552), (152, 815640), (160, 774858), (168, 737960), (190, 652512), (192, 645715), (210, 590368), (224, 553470), (228, 543760), (240, 516572), (266, 466080), (280, 442776), (285, 435008), (304, 407820), (320, 387429), (336, 368980), (380, 326256), (399, 310720), (420, 295184), (448, 276735), (456, 271880), (480, 258286), (532, 233040), (560, 221388), (570, 217504), (608, 203910), (665, 186432), (672, 184490), (760, 163128), (798, 155360), (840, 147592), (912, 135940), (960, 129143), (971, 127680), (1064, 116520), (1120, 110694), (1140, 108752), (1216, 101955), (1330, 93216), (1344, 92245), (1520, 81564), (1596, 77680), (1680, 73796), (1824, 67970), (1942, 63840), (1995, 62144), (2128, 58260), (2240, 55347), (2280, 54376), (2660, 46608), (2913, 42560), (3040, 40782), (3192, 38840), (3360, 36898), (3648, 33985), (3884, 31920), (3990, 31072), (4256, 29130), (4560, 27188), (4855, 25536), (5320, 23304), (5826, 21280), (6080, 20391), (6384, 19420), (6720, 18449), (6797, 18240), (7768, 15960), (7980, 15536), (8512, 14565), (9120, 13594), (9710, 12768), (10640, 11652)]