128235840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 168

約数和(自身を含む): 423732960

約数和(自身を除く): 295497120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 139, 155, 160, 186, 192, 240, 248, 278, 310, 320, 372, 417, 465, 480, 496, 556, 620, 695, 744, 834, 930, 960, 961, 992, 1112, 1240, 1390, 1488, 1668, 1860, 1922, 1984, 2085, 2224, 2480, 2780, 2883, 2976, 3336, 3720, 3844, 4170, 4309, 4448, 4805, 4960, 5560, 5766, 5952, 6672, 7440, 7688, 8340, 8618, 8896, 9610, 9920, 11120, 11532, 12927, 13344, 14415, 14880, 15376, 16680, 17236, 19220, 21545, 22240, 23064, 25854, 26688, 28830, 29760, 30752, 33360, 34472, 38440, 43090, 44480, 46128, 51708, 57660, 61504, 64635, 66720, 68944, 76880, 86180, 92256, 103416, 115320, 129270, 133440, 133579, 137888, 153760, 172360, 184512, 206832, 230640, 258540, 267158, 275776, 307520, 344720, 400737, 413664, 461280, 517080, 534316, 667895, 689440, 801474, 827328, 922560, 1034160, 1068632, 1335790, 1378880, 1602948, 2003685, 2068320, 2137264, 2671580, 3205896, 4007370, 4136640, 4274528, 5343160, 6411792, 8014740, 8549056, 10686320, 12823584, 16029480, 21372640, 25647168, 32058960, 42745280, 64117920, 128235840]

約数ペア:

[(1, 128235840), (2, 64117920), (3, 42745280), (4, 32058960), (5, 25647168), (6, 21372640), (8, 16029480), (10, 12823584), (12, 10686320), (15, 8549056), (16, 8014740), (20, 6411792), (24, 5343160), (30, 4274528), (31, 4136640), (32, 4007370), (40, 3205896), (48, 2671580), (60, 2137264), (62, 2068320), (64, 2003685), (80, 1602948), (93, 1378880), (96, 1335790), (120, 1068632), (124, 1034160), (139, 922560), (155, 827328), (160, 801474), (186, 689440), (192, 667895), (240, 534316), (248, 517080), (278, 461280), (310, 413664), (320, 400737), (372, 344720), (417, 307520), (465, 275776), (480, 267158), (496, 258540), (556, 230640), (620, 206832), (695, 184512), (744, 172360), (834, 153760), (930, 137888), (960, 133579), (961, 133440), (992, 129270), (1112, 115320), (1240, 103416), (1390, 92256), (1488, 86180), (1668, 76880), (1860, 68944), (1922, 66720), (1984, 64635), (2085, 61504), (2224, 57660), (2480, 51708), (2780, 46128), (2883, 44480), (2976, 43090), (3336, 38440), (3720, 34472), (3844, 33360), (4170, 30752), (4309, 29760), (4448, 28830), (4805, 26688), (4960, 25854), (5560, 23064), (5766, 22240), (5952, 21545), (6672, 19220), (7440, 17236), (7688, 16680), (8340, 15376), (8618, 14880), (8896, 14415), (9610, 13344), (9920, 12927), (11120, 11532)]