31278720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1514

約数の個数: 128

約数和(自身を含む): 108838080

約数和(自身を除く): 77559360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1481, 1760, 1920, 2112, 2640, 2962, 3520, 4224, 4443, 5280, 5924, 7040, 7405, 8886, 10560, 11848, 14810, 16291, 17772, 21120, 22215, 23696, 29620, 32582, 35544, 44430, 47392, 48873, 59240, 65164, 71088, 81455, 88860, 94784, 97746, 118480, 130328, 142176, 162910, 177720, 189568, 195492, 236960, 244365, 260656, 284352, 325820, 355440, 390984, 473920, 488730, 521312, 568704, 651640, 710880, 781968, 947840, 977460, 1042624, 1303280, 1421760, 1563936, 1954920, 2085248, 2606560, 2843520, 3127872, 3909840, 5213120, 6255744, 7819680, 10426240, 15639360, 31278720]

約数ペア:

[(1, 31278720), (2, 15639360), (3, 10426240), (4, 7819680), (5, 6255744), (6, 5213120), (8, 3909840), (10, 3127872), (11, 2843520), (12, 2606560), (15, 2085248), (16, 1954920), (20, 1563936), (22, 1421760), (24, 1303280), (30, 1042624), (32, 977460), (33, 947840), (40, 781968), (44, 710880), (48, 651640), (55, 568704), (60, 521312), (64, 488730), (66, 473920), (80, 390984), (88, 355440), (96, 325820), (110, 284352), (120, 260656), (128, 244365), (132, 236960), (160, 195492), (165, 189568), (176, 177720), (192, 162910), (220, 142176), (240, 130328), (264, 118480), (320, 97746), (330, 94784), (352, 88860), (384, 81455), (440, 71088), (480, 65164), (528, 59240), (640, 48873), (660, 47392), (704, 44430), (880, 35544), (960, 32582), (1056, 29620), (1320, 23696), (1408, 22215), (1481, 21120), (1760, 17772), (1920, 16291), (2112, 14810), (2640, 11848), (2962, 10560), (3520, 8886), (4224, 7405), (4443, 7040), (5280, 5924)]