258186840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 803113920

約数和(自身を除く): 544927080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 97, 120, 123, 164, 194, 205, 246, 291, 328, 388, 410, 485, 492, 541, 582, 615, 776, 820, 970, 984, 1082, 1164, 1230, 1455, 1623, 1640, 1940, 2164, 2328, 2460, 2705, 2910, 3246, 3880, 3977, 4328, 4920, 5410, 5820, 6492, 7954, 8115, 10820, 11640, 11931, 12984, 15908, 16230, 19885, 21640, 22181, 23862, 31816, 32460, 39770, 44362, 47724, 52477, 59655, 64920, 66543, 79540, 88724, 95448, 104954, 110905, 119310, 133086, 157431, 159080, 177448, 209908, 221810, 238620, 262385, 266172, 314862, 332715, 419816, 443620, 477240, 524770, 532344, 629724, 665430, 787155, 887240, 1049540, 1259448, 1330860, 1574310, 2099080, 2151557, 2661720, 3148620, 4303114, 6297240, 6454671, 8606228, 10757785, 12909342, 17212456, 21515570, 25818684, 32273355, 43031140, 51637368, 64546710, 86062280, 129093420, 258186840]

約数ペア:

[(1, 258186840), (2, 129093420), (3, 86062280), (4, 64546710), (5, 51637368), (6, 43031140), (8, 32273355), (10, 25818684), (12, 21515570), (15, 17212456), (20, 12909342), (24, 10757785), (30, 8606228), (40, 6454671), (41, 6297240), (60, 4303114), (82, 3148620), (97, 2661720), (120, 2151557), (123, 2099080), (164, 1574310), (194, 1330860), (205, 1259448), (246, 1049540), (291, 887240), (328, 787155), (388, 665430), (410, 629724), (485, 532344), (492, 524770), (541, 477240), (582, 443620), (615, 419816), (776, 332715), (820, 314862), (970, 266172), (984, 262385), (1082, 238620), (1164, 221810), (1230, 209908), (1455, 177448), (1623, 159080), (1640, 157431), (1940, 133086), (2164, 119310), (2328, 110905), (2460, 104954), (2705, 95448), (2910, 88724), (3246, 79540), (3880, 66543), (3977, 64920), (4328, 59655), (4920, 52477), (5410, 47724), (5820, 44362), (6492, 39770), (7954, 32460), (8115, 31816), (10820, 23862), (11640, 22181), (11931, 21640), (12984, 19885), (15908, 16230)]