263472440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:813

約数の個数: 128

約数和(自身を含む): 745873920

約数和(自身を除く): 482401480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 131, 140, 154, 220, 262, 280, 308, 385, 440, 524, 616, 653, 655, 770, 917, 1048, 1306, 1310, 1441, 1540, 1834, 2612, 2620, 2882, 3080, 3265, 3668, 4571, 4585, 5224, 5240, 5764, 6530, 7183, 7205, 7336, 9142, 9170, 10087, 11528, 13060, 14366, 14410, 18284, 18340, 20174, 22855, 26120, 28732, 28820, 35915, 36568, 36680, 40348, 45710, 50281, 50435, 57464, 57640, 71830, 80696, 85543, 91420, 100562, 100870, 143660, 171086, 182840, 201124, 201740, 251405, 287320, 342172, 402248, 403480, 427715, 502810, 598801, 684344, 855430, 940973, 1005620, 1197602, 1710860, 1881946, 2011240, 2395204, 2994005, 3421720, 3763892, 4704865, 4790408, 5988010, 6586811, 7527784, 9409730, 11976020, 13173622, 18819460, 23952040, 26347244, 32934055, 37638920, 52694488, 65868110, 131736220, 263472440]

約数ペア:

[(1, 263472440), (2, 131736220), (4, 65868110), (5, 52694488), (7, 37638920), (8, 32934055), (10, 26347244), (11, 23952040), (14, 18819460), (20, 13173622), (22, 11976020), (28, 9409730), (35, 7527784), (40, 6586811), (44, 5988010), (55, 4790408), (56, 4704865), (70, 3763892), (77, 3421720), (88, 2994005), (110, 2395204), (131, 2011240), (140, 1881946), (154, 1710860), (220, 1197602), (262, 1005620), (280, 940973), (308, 855430), (385, 684344), (440, 598801), (524, 502810), (616, 427715), (653, 403480), (655, 402248), (770, 342172), (917, 287320), (1048, 251405), (1306, 201740), (1310, 201124), (1441, 182840), (1540, 171086), (1834, 143660), (2612, 100870), (2620, 100562), (2882, 91420), (3080, 85543), (3265, 80696), (3668, 71830), (4571, 57640), (4585, 57464), (5224, 50435), (5240, 50281), (5764, 45710), (6530, 40348), (7183, 36680), (7205, 36568), (7336, 35915), (9142, 28820), (9170, 28732), (10087, 26120), (11528, 22855), (13060, 20174), (14366, 18340), (14410, 18284)]