138771880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 360702720

約数和(自身を除く): 221930840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 41, 46, 52, 65, 82, 92, 104, 115, 130, 164, 184, 205, 230, 260, 283, 299, 328, 410, 460, 520, 533, 566, 598, 820, 920, 943, 1066, 1132, 1196, 1415, 1495, 1640, 1886, 2132, 2264, 2392, 2665, 2830, 2990, 3679, 3772, 4264, 4715, 5330, 5660, 5980, 6509, 7358, 7544, 9430, 10660, 11320, 11603, 11960, 12259, 13018, 14716, 18395, 18860, 21320, 23206, 24518, 26036, 29432, 32545, 36790, 37720, 46412, 49036, 52072, 58015, 61295, 65090, 73580, 84617, 92824, 98072, 116030, 122590, 130180, 147160, 150839, 169234, 232060, 245180, 260360, 266869, 301678, 338468, 423085, 464120, 490360, 533738, 603356, 676936, 754195, 846170, 1067476, 1206712, 1334345, 1508390, 1692340, 2134952, 2668690, 3016780, 3384680, 3469297, 5337380, 6033560, 6938594, 10674760, 13877188, 17346485, 27754376, 34692970, 69385940, 138771880]

約数ペア:

[(1, 138771880), (2, 69385940), (4, 34692970), (5, 27754376), (8, 17346485), (10, 13877188), (13, 10674760), (20, 6938594), (23, 6033560), (26, 5337380), (40, 3469297), (41, 3384680), (46, 3016780), (52, 2668690), (65, 2134952), (82, 1692340), (92, 1508390), (104, 1334345), (115, 1206712), (130, 1067476), (164, 846170), (184, 754195), (205, 676936), (230, 603356), (260, 533738), (283, 490360), (299, 464120), (328, 423085), (410, 338468), (460, 301678), (520, 266869), (533, 260360), (566, 245180), (598, 232060), (820, 169234), (920, 150839), (943, 147160), (1066, 130180), (1132, 122590), (1196, 116030), (1415, 98072), (1495, 92824), (1640, 84617), (1886, 73580), (2132, 65090), (2264, 61295), (2392, 58015), (2665, 52072), (2830, 49036), (2990, 46412), (3679, 37720), (3772, 36790), (4264, 32545), (4715, 29432), (5330, 26036), (5660, 24518), (5980, 23206), (6509, 21320), (7358, 18860), (7544, 18395), (9430, 14716), (10660, 13018), (11320, 12259), (11603, 11960)]