320982720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1301}}^1$

素因数の和:1578

約数の個数: 112

約数和(自身を含む): 1023871968

約数和(自身を除く): 702889248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 257, 320, 480, 514, 771, 960, 1028, 1285, 1301, 1542, 2056, 2570, 2602, 3084, 3855, 3903, 4112, 5140, 5204, 6168, 6505, 7710, 7806, 8224, 10280, 10408, 12336, 13010, 15420, 15612, 16448, 19515, 20560, 20816, 24672, 26020, 30840, 31224, 39030, 41120, 41632, 49344, 52040, 61680, 62448, 78060, 82240, 83264, 104080, 123360, 124896, 156120, 208160, 246720, 249792, 312240, 334357, 416320, 624480, 668714, 1003071, 1248960, 1337428, 1671785, 2006142, 2674856, 3343570, 4012284, 5015355, 5349712, 6687140, 8024568, 10030710, 10699424, 13374280, 16049136, 20061420, 21398848, 26748560, 32098272, 40122840, 53497120, 64196544, 80245680, 106994240, 160491360, 320982720]

約数ペア:

[(1, 320982720), (2, 160491360), (3, 106994240), (4, 80245680), (5, 64196544), (6, 53497120), (8, 40122840), (10, 32098272), (12, 26748560), (15, 21398848), (16, 20061420), (20, 16049136), (24, 13374280), (30, 10699424), (32, 10030710), (40, 8024568), (48, 6687140), (60, 5349712), (64, 5015355), (80, 4012284), (96, 3343570), (120, 2674856), (160, 2006142), (192, 1671785), (240, 1337428), (257, 1248960), (320, 1003071), (480, 668714), (514, 624480), (771, 416320), (960, 334357), (1028, 312240), (1285, 249792), (1301, 246720), (1542, 208160), (2056, 156120), (2570, 124896), (2602, 123360), (3084, 104080), (3855, 83264), (3903, 82240), (4112, 78060), (5140, 62448), (5204, 61680), (6168, 52040), (6505, 49344), (7710, 41632), (7806, 41120), (8224, 39030), (10280, 31224), (10408, 30840), (12336, 26020), (13010, 24672), (15420, 20816), (15612, 20560), (16448, 19515)]