212137920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 224

約数和(自身を含む): 767120640

約数和(自身を除く): 554982720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 360, 387, 430, 432, 480, 516, 540, 571, 576, 645, 688, 720, 774, 860, 864, 960, 1032, 1080, 1142, 1161, 1290, 1376, 1440, 1548, 1713, 1720, 1728, 1935, 2064, 2160, 2284, 2322, 2580, 2752, 2855, 2880, 3096, 3426, 3440, 3870, 4128, 4320, 4568, 4644, 5139, 5160, 5710, 5805, 6192, 6852, 6880, 7740, 8256, 8565, 8640, 9136, 9288, 10278, 10320, 11420, 11610, 12384, 13704, 13760, 15417, 15480, 17130, 18272, 18576, 20556, 20640, 22840, 23220, 24553, 24768, 25695, 27408, 30834, 30960, 34260, 36544, 37152, 41112, 41280, 45680, 46440, 49106, 51390, 54816, 61668, 61920, 68520, 73659, 74304, 77085, 82224, 91360, 92880, 98212, 102780, 109632, 122765, 123336, 123840, 137040, 147318, 154170, 164448, 182720, 185760, 196424, 205560, 220977, 245530, 246672, 274080, 294636, 308340, 328896, 368295, 371520, 392848, 411120, 441954, 491060, 493344, 548160, 589272, 616680, 662931, 736590, 785696, 822240, 883908, 982120, 986688, 1104885, 1178544, 1233360, 1325862, 1473180, 1571392, 1644480, 1767816, 1964240, 2209770, 2357088, 2466720, 2651724, 2946360, 3314655, 3535632, 3928480, 4419540, 4714176, 4933440, 5303448, 5892720, 6629310, 7071264, 7856960, 8839080, 10606896, 11785440, 13258620, 14142528, 17678160, 21213792, 23570880, 26517240, 35356320, 42427584, 53034480, 70712640, 106068960, 212137920]

約数ペア:

[(1, 212137920), (2, 106068960), (3, 70712640), (4, 53034480), (5, 42427584), (6, 35356320), (8, 26517240), (9, 23570880), (10, 21213792), (12, 17678160), (15, 14142528), (16, 13258620), (18, 11785440), (20, 10606896), (24, 8839080), (27, 7856960), (30, 7071264), (32, 6629310), (36, 5892720), (40, 5303448), (43, 4933440), (45, 4714176), (48, 4419540), (54, 3928480), (60, 3535632), (64, 3314655), (72, 2946360), (80, 2651724), (86, 2466720), (90, 2357088), (96, 2209770), (108, 1964240), (120, 1767816), (129, 1644480), (135, 1571392), (144, 1473180), (160, 1325862), (172, 1233360), (180, 1178544), (192, 1104885), (215, 986688), (216, 982120), (240, 883908), (258, 822240), (270, 785696), (288, 736590), (320, 662931), (344, 616680), (360, 589272), (387, 548160), (430, 493344), (432, 491060), (480, 441954), (516, 411120), (540, 392848), (571, 371520), (576, 368295), (645, 328896), (688, 308340), (720, 294636), (774, 274080), (860, 246672), (864, 245530), (960, 220977), (1032, 205560), (1080, 196424), (1142, 185760), (1161, 182720), (1290, 164448), (1376, 154170), (1440, 147318), (1548, 137040), (1713, 123840), (1720, 123336), (1728, 122765), (1935, 109632), (2064, 102780), (2160, 98212), (2284, 92880), (2322, 91360), (2580, 82224), (2752, 77085), (2855, 74304), (2880, 73659), (3096, 68520), (3426, 61920), (3440, 61668), (3870, 54816), (4128, 51390), (4320, 49106), (4568, 46440), (4644, 45680), (5139, 41280), (5160, 41112), (5710, 37152), (5805, 36544), (6192, 34260), (6852, 30960), (6880, 30834), (7740, 27408), (8256, 25695), (8565, 24768), (8640, 24553), (9136, 23220), (9288, 22840), (10278, 20640), (10320, 20556), (11420, 18576), (11610, 18272), (12384, 17130), (13704, 15480), (13760, 15417)]