1218701760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1321}}^1$

素因数の和:1403

約数の個数: 168

約数和(自身を含む): 4001249808

約数和(自身を除く): 2782548048

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, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 961, 992, 1240, 1321, 1488, 1860, 1922, 1984, 2480, 2642, 2883, 2976, 3720, 3844, 3963, 4805, 4960, 5284, 5766, 5952, 6605, 7440, 7688, 7926, 9610, 9920, 10568, 11532, 13210, 14415, 14880, 15376, 15852, 19220, 19815, 21136, 23064, 26420, 28830, 29760, 30752, 31704, 38440, 39630, 40951, 42272, 46128, 52840, 57660, 61504, 63408, 76880, 79260, 81902, 84544, 92256, 105680, 115320, 122853, 126816, 153760, 158520, 163804, 184512, 204755, 211360, 230640, 245706, 253632, 307520, 317040, 327608, 409510, 422720, 461280, 491412, 614265, 634080, 655216, 819020, 922560, 982824, 1228530, 1268160, 1269481, 1310432, 1638040, 1965648, 2457060, 2538962, 2620864, 3276080, 3808443, 3931296, 4914120, 5077924, 6347405, 6552160, 7616886, 7862592, 9828240, 10155848, 12694810, 13104320, 15233772, 19042215, 19656480, 20311696, 25389620, 30467544, 38084430, 39312960, 40623392, 50779240, 60935088, 76168860, 81246784, 101558480, 121870176, 152337720, 203116960, 243740352, 304675440, 406233920, 609350880, 1218701760]

約数ペア:

[(1, 1218701760), (2, 609350880), (3, 406233920), (4, 304675440), (5, 243740352), (6, 203116960), (8, 152337720), (10, 121870176), (12, 101558480), (15, 81246784), (16, 76168860), (20, 60935088), (24, 50779240), (30, 40623392), (31, 39312960), (32, 38084430), (40, 30467544), (48, 25389620), (60, 20311696), (62, 19656480), (64, 19042215), (80, 15233772), (93, 13104320), (96, 12694810), (120, 10155848), (124, 9828240), (155, 7862592), (160, 7616886), (186, 6552160), (192, 6347405), (240, 5077924), (248, 4914120), (310, 3931296), (320, 3808443), (372, 3276080), (465, 2620864), (480, 2538962), (496, 2457060), (620, 1965648), (744, 1638040), (930, 1310432), (960, 1269481), (961, 1268160), (992, 1228530), (1240, 982824), (1321, 922560), (1488, 819020), (1860, 655216), (1922, 634080), (1984, 614265), (2480, 491412), (2642, 461280), (2883, 422720), (2976, 409510), (3720, 327608), (3844, 317040), (3963, 307520), (4805, 253632), (4960, 245706), (5284, 230640), (5766, 211360), (5952, 204755), (6605, 184512), (7440, 163804), (7688, 158520), (7926, 153760), (9610, 126816), (9920, 122853), (10568, 115320), (11532, 105680), (13210, 92256), (14415, 84544), (14880, 81902), (15376, 79260), (15852, 76880), (19220, 63408), (19815, 61504), (21136, 57660), (23064, 52840), (26420, 46128), (28830, 42272), (29760, 40951), (30752, 39630), (31704, 38440)]