391656960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 240

約数和(自身を含む): 1378840320

約数和(自身を除く): 987183360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 128, 144, 160, 178, 180, 191, 192, 240, 256, 267, 288, 320, 356, 360, 382, 384, 445, 480, 512, 534, 573, 576, 640, 712, 720, 764, 768, 801, 890, 955, 960, 1068, 1146, 1152, 1280, 1335, 1424, 1440, 1528, 1536, 1602, 1719, 1780, 1910, 1920, 2136, 2292, 2304, 2560, 2670, 2848, 2865, 2880, 3056, 3204, 3438, 3560, 3820, 3840, 4005, 4272, 4584, 4608, 5340, 5696, 5730, 5760, 6112, 6408, 6876, 7120, 7640, 7680, 8010, 8544, 8595, 9168, 10680, 11392, 11460, 11520, 12224, 12816, 13752, 14240, 15280, 16020, 16999, 17088, 17190, 18336, 21360, 22784, 22920, 23040, 24448, 25632, 27504, 28480, 30560, 32040, 33998, 34176, 34380, 36672, 42720, 45568, 45840, 48896, 50997, 51264, 55008, 56960, 61120, 64080, 67996, 68352, 68760, 73344, 84995, 85440, 91680, 97792, 101994, 102528, 110016, 113920, 122240, 128160, 135992, 136704, 137520, 146688, 152991, 169990, 170880, 183360, 203988, 205056, 220032, 227840, 244480, 254985, 256320, 271984, 275040, 293376, 305982, 339980, 341760, 366720, 407976, 410112, 440064, 488960, 509970, 512640, 543968, 550080, 611964, 679960, 683520, 733440, 764955, 815952, 880128, 1019940, 1025280, 1087936, 1100160, 1223928, 1359920, 1466880, 1529910, 1631904, 2039880, 2050560, 2175872, 2200320, 2447856, 2719840, 3059820, 3263808, 4079760, 4351744, 4400640, 4895712, 5439680, 6119640, 6527616, 8159520, 8703488, 9791424, 10879360, 12239280, 13055232, 16319040, 19582848, 21758720, 24478560, 26110464, 32638080, 39165696, 43517440, 48957120, 65276160, 78331392, 97914240, 130552320, 195828480, 391656960]

約数ペア:

[(1, 391656960), (2, 195828480), (3, 130552320), (4, 97914240), (5, 78331392), (6, 65276160), (8, 48957120), (9, 43517440), (10, 39165696), (12, 32638080), (15, 26110464), (16, 24478560), (18, 21758720), (20, 19582848), (24, 16319040), (30, 13055232), (32, 12239280), (36, 10879360), (40, 9791424), (45, 8703488), (48, 8159520), (60, 6527616), (64, 6119640), (72, 5439680), (80, 4895712), (89, 4400640), (90, 4351744), (96, 4079760), (120, 3263808), (128, 3059820), (144, 2719840), (160, 2447856), (178, 2200320), (180, 2175872), (191, 2050560), (192, 2039880), (240, 1631904), (256, 1529910), (267, 1466880), (288, 1359920), (320, 1223928), (356, 1100160), (360, 1087936), (382, 1025280), (384, 1019940), (445, 880128), (480, 815952), (512, 764955), (534, 733440), (573, 683520), (576, 679960), (640, 611964), (712, 550080), (720, 543968), (764, 512640), (768, 509970), (801, 488960), (890, 440064), (955, 410112), (960, 407976), (1068, 366720), (1146, 341760), (1152, 339980), (1280, 305982), (1335, 293376), (1424, 275040), (1440, 271984), (1528, 256320), (1536, 254985), (1602, 244480), (1719, 227840), (1780, 220032), (1910, 205056), (1920, 203988), (2136, 183360), (2292, 170880), (2304, 169990), (2560, 152991), (2670, 146688), (2848, 137520), (2865, 136704), (2880, 135992), (3056, 128160), (3204, 122240), (3438, 113920), (3560, 110016), (3820, 102528), (3840, 101994), (4005, 97792), (4272, 91680), (4584, 85440), (4608, 84995), (5340, 73344), (5696, 68760), (5730, 68352), (5760, 67996), (6112, 64080), (6408, 61120), (6876, 56960), (7120, 55008), (7640, 51264), (7680, 50997), (8010, 48896), (8544, 45840), (8595, 45568), (9168, 42720), (10680, 36672), (11392, 34380), (11460, 34176), (11520, 33998), (12224, 32040), (12816, 30560), (13752, 28480), (14240, 27504), (15280, 25632), (16020, 24448), (16999, 23040), (17088, 22920), (17190, 22784), (18336, 21360)]