1305920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:88

約数の個数: 112

約数和(自身を含む): 3950208

約数和(自身を除く): 2644288

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 53, 55, 56, 64, 70, 77, 80, 88, 106, 110, 112, 140, 154, 160, 176, 212, 220, 224, 265, 280, 308, 320, 352, 371, 385, 424, 440, 448, 530, 560, 583, 616, 704, 742, 770, 848, 880, 1060, 1120, 1166, 1232, 1484, 1540, 1696, 1760, 1855, 2120, 2240, 2332, 2464, 2915, 2968, 3080, 3392, 3520, 3710, 4081, 4240, 4664, 4928, 5830, 5936, 6160, 7420, 8162, 8480, 9328, 11660, 11872, 12320, 14840, 16324, 16960, 18656, 20405, 23320, 23744, 24640, 29680, 32648, 37312, 40810, 46640, 59360, 65296, 81620, 93280, 118720, 130592, 163240, 186560, 261184, 326480, 652960, 1305920]

約数ペア:

[(1, 1305920), (2, 652960), (4, 326480), (5, 261184), (7, 186560), (8, 163240), (10, 130592), (11, 118720), (14, 93280), (16, 81620), (20, 65296), (22, 59360), (28, 46640), (32, 40810), (35, 37312), (40, 32648), (44, 29680), (53, 24640), (55, 23744), (56, 23320), (64, 20405), (70, 18656), (77, 16960), (80, 16324), (88, 14840), (106, 12320), (110, 11872), (112, 11660), (140, 9328), (154, 8480), (160, 8162), (176, 7420), (212, 6160), (220, 5936), (224, 5830), (265, 4928), (280, 4664), (308, 4240), (320, 4081), (352, 3710), (371, 3520), (385, 3392), (424, 3080), (440, 2968), (448, 2915), (530, 2464), (560, 2332), (583, 2240), (616, 2120), (704, 1855), (742, 1760), (770, 1696), (848, 1540), (880, 1484), (1060, 1232), (1120, 1166)]