1230368440

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 160

約数和(自身を含む): 3375989280

約数和(自身を除く): 2145620840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 343, 392, 460, 490, 557, 644, 686, 805, 920, 980, 1114, 1127, 1288, 1372, 1610, 1715, 1960, 2228, 2254, 2401, 2744, 2785, 3220, 3430, 3899, 4456, 4508, 4802, 5570, 5635, 6440, 6860, 7798, 7889, 9016, 9604, 11140, 11270, 12005, 12811, 13720, 15596, 15778, 19208, 19495, 22280, 22540, 24010, 25622, 27293, 31192, 31556, 38990, 39445, 45080, 48020, 51244, 54586, 55223, 63112, 64055, 77980, 78890, 89677, 96040, 102488, 109172, 110446, 128110, 136465, 155960, 157780, 179354, 191051, 218344, 220892, 256220, 272930, 276115, 315560, 358708, 382102, 441784, 448385, 512440, 545860, 552230, 627739, 717416, 764204, 896770, 955255, 1091720, 1104460, 1255478, 1337357, 1528408, 1793540, 1910510, 2208920, 2510956, 2674714, 3138695, 3587080, 3821020, 4394173, 5021912, 5349428, 6277390, 6686785, 7642040, 8788346, 10698856, 12554780, 13373570, 17576692, 21970865, 25109560, 26747140, 30759211, 35153384, 43941730, 53494280, 61518422, 87883460, 123036844, 153796055, 175766920, 246073688, 307592110, 615184220, 1230368440]

約数ペア:

[(1, 1230368440), (2, 615184220), (4, 307592110), (5, 246073688), (7, 175766920), (8, 153796055), (10, 123036844), (14, 87883460), (20, 61518422), (23, 53494280), (28, 43941730), (35, 35153384), (40, 30759211), (46, 26747140), (49, 25109560), (56, 21970865), (70, 17576692), (92, 13373570), (98, 12554780), (115, 10698856), (140, 8788346), (161, 7642040), (184, 6686785), (196, 6277390), (230, 5349428), (245, 5021912), (280, 4394173), (322, 3821020), (343, 3587080), (392, 3138695), (460, 2674714), (490, 2510956), (557, 2208920), (644, 1910510), (686, 1793540), (805, 1528408), (920, 1337357), (980, 1255478), (1114, 1104460), (1127, 1091720), (1288, 955255), (1372, 896770), (1610, 764204), (1715, 717416), (1960, 627739), (2228, 552230), (2254, 545860), (2401, 512440), (2744, 448385), (2785, 441784), (3220, 382102), (3430, 358708), (3899, 315560), (4456, 276115), (4508, 272930), (4802, 256220), (5570, 220892), (5635, 218344), (6440, 191051), (6860, 179354), (7798, 157780), (7889, 155960), (9016, 136465), (9604, 128110), (11140, 110446), (11270, 109172), (12005, 102488), (12811, 96040), (13720, 89677), (15596, 78890), (15778, 77980), (19208, 64055), (19495, 63112), (22280, 55223), (22540, 54586), (24010, 51244), (25622, 48020), (27293, 45080), (31192, 39445), (31556, 38990)]