30721680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:467

約数の個数: 200

約数和(自身を含む): 116671104

約数和(自身を除く): 85949424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 324, 330, 360, 396, 405, 431, 432, 440, 495, 528, 540, 594, 648, 660, 720, 792, 810, 862, 880, 891, 990, 1080, 1188, 1293, 1296, 1320, 1485, 1584, 1620, 1724, 1782, 1980, 2155, 2160, 2376, 2586, 2640, 2970, 3240, 3448, 3564, 3879, 3960, 4310, 4455, 4741, 4752, 5172, 5940, 6465, 6480, 6896, 7128, 7758, 7920, 8620, 8910, 9482, 10344, 11637, 11880, 12930, 14223, 14256, 15516, 17240, 17820, 18964, 19395, 20688, 23274, 23705, 23760, 25860, 28446, 31032, 34480, 34911, 35640, 37928, 38790, 42669, 46548, 47410, 51720, 56892, 58185, 62064, 69822, 71115, 71280, 75856, 77580, 85338, 93096, 94820, 103440, 113784, 116370, 128007, 139644, 142230, 155160, 170676, 174555, 186192, 189640, 213345, 227568, 232740, 256014, 279288, 284460, 310320, 341352, 349110, 379280, 384021, 426690, 465480, 512028, 558576, 568920, 640035, 682704, 698220, 768042, 853380, 930960, 1024056, 1137840, 1280070, 1396440, 1536084, 1706760, 1920105, 2048112, 2560140, 2792880, 3072168, 3413520, 3840210, 5120280, 6144336, 7680420, 10240560, 15360840, 30721680]

約数ペア:

[(1, 30721680), (2, 15360840), (3, 10240560), (4, 7680420), (5, 6144336), (6, 5120280), (8, 3840210), (9, 3413520), (10, 3072168), (11, 2792880), (12, 2560140), (15, 2048112), (16, 1920105), (18, 1706760), (20, 1536084), (22, 1396440), (24, 1280070), (27, 1137840), (30, 1024056), (33, 930960), (36, 853380), (40, 768042), (44, 698220), (45, 682704), (48, 640035), (54, 568920), (55, 558576), (60, 512028), (66, 465480), (72, 426690), (80, 384021), (81, 379280), (88, 349110), (90, 341352), (99, 310320), (108, 284460), (110, 279288), (120, 256014), (132, 232740), (135, 227568), (144, 213345), (162, 189640), (165, 186192), (176, 174555), (180, 170676), (198, 155160), (216, 142230), (220, 139644), (240, 128007), (264, 116370), (270, 113784), (297, 103440), (324, 94820), (330, 93096), (360, 85338), (396, 77580), (405, 75856), (431, 71280), (432, 71115), (440, 69822), (495, 62064), (528, 58185), (540, 56892), (594, 51720), (648, 47410), (660, 46548), (720, 42669), (792, 38790), (810, 37928), (862, 35640), (880, 34911), (891, 34480), (990, 31032), (1080, 28446), (1188, 25860), (1293, 23760), (1296, 23705), (1320, 23274), (1485, 20688), (1584, 19395), (1620, 18964), (1724, 17820), (1782, 17240), (1980, 15516), (2155, 14256), (2160, 14223), (2376, 12930), (2586, 11880), (2640, 11637), (2970, 10344), (3240, 9482), (3448, 8910), (3564, 8620), (3879, 7920), (3960, 7758), (4310, 7128), (4455, 6896), (4741, 6480), (4752, 6465), (5172, 5940)]