320416155

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 610541568

約数和(自身を除く): 290125413

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 47, 81, 93, 135, 141, 155, 181, 235, 243, 279, 405, 423, 465, 543, 705, 837, 905, 1215, 1269, 1395, 1457, 1629, 2115, 2511, 2715, 3807, 4185, 4371, 4887, 5611, 6345, 7285, 7533, 8145, 8507, 11421, 12555, 13113, 14661, 16833, 19035, 21855, 24435, 25521, 28055, 37665, 39339, 42535, 43983, 50499, 57105, 65565, 73305, 76563, 84165, 118017, 127605, 151497, 196695, 219915, 229689, 252495, 263717, 354051, 382815, 454491, 590085, 689067, 757485, 791151, 1148445, 1318585, 1363473, 1770255, 2067201, 2272455, 2373453, 3445335, 3955755, 6817365, 7120359, 10336005, 11867265, 21361077, 35601795, 64083231, 106805385, 320416155]

約数ペア:

[(1, 320416155), (3, 106805385), (5, 64083231), (9, 35601795), (15, 21361077), (27, 11867265), (31, 10336005), (45, 7120359), (47, 6817365), (81, 3955755), (93, 3445335), (135, 2373453), (141, 2272455), (155, 2067201), (181, 1770255), (235, 1363473), (243, 1318585), (279, 1148445), (405, 791151), (423, 757485), (465, 689067), (543, 590085), (705, 454491), (837, 382815), (905, 354051), (1215, 263717), (1269, 252495), (1395, 229689), (1457, 219915), (1629, 196695), (2115, 151497), (2511, 127605), (2715, 118017), (3807, 84165), (4185, 76563), (4371, 73305), (4887, 65565), (5611, 57105), (6345, 50499), (7285, 43983), (7533, 42535), (8145, 39339), (8507, 37665), (11421, 28055), (12555, 25521), (13113, 24435), (14661, 21855), (16833, 19035)]