31117647120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{260879}}^1$

素因数の和:260973

約数の個数: 160

約数和(自身を含む): 111798558720

約数和(自身を除く): 80680911600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 710, 840, 852, 994, 1065, 1136, 1420, 1491, 1680, 1704, 1988, 2130, 2485, 2840, 2982, 3408, 3976, 4260, 4970, 5680, 5964, 7455, 7952, 8520, 9940, 11928, 14910, 17040, 19880, 23856, 29820, 39760, 59640, 119280, 260879, 521758, 782637, 1043516, 1304395, 1565274, 1826153, 2087032, 2608790, 3130548, 3652306, 3913185, 4174064, 5217580, 5478459, 6261096, 7304612, 7826370, 9130765, 10435160, 10956918, 12522192, 14609224, 15652740, 18261530, 18522409, 20870320, 21913836, 27392295, 29218448, 31305480, 36523060, 37044818, 43827672, 54784590, 55567227, 62610960, 73046120, 74089636, 87655344, 92612045, 109569180, 111134454, 129656863, 146092240, 148179272, 185224090, 219138360, 222268908, 259313726, 277836135, 296358544, 370448180, 388970589, 438276720, 444537816, 518627452, 555672270, 648284315, 740896360, 777941178, 889075632, 1037254904, 1111344540, 1296568630, 1481792720, 1555882356, 1944852945, 2074509808, 2222689080, 2593137260, 3111764712, 3889705890, 4445378160, 5186274520, 6223529424, 7779411780, 10372549040, 15558823560, 31117647120]

約数ペア:

[(1, 31117647120), (2, 15558823560), (3, 10372549040), (4, 7779411780), (5, 6223529424), (6, 5186274520), (7, 4445378160), (8, 3889705890), (10, 3111764712), (12, 2593137260), (14, 2222689080), (15, 2074509808), (16, 1944852945), (20, 1555882356), (21, 1481792720), (24, 1296568630), (28, 1111344540), (30, 1037254904), (35, 889075632), (40, 777941178), (42, 740896360), (48, 648284315), (56, 555672270), (60, 518627452), (70, 444537816), (71, 438276720), (80, 388970589), (84, 370448180), (105, 296358544), (112, 277836135), (120, 259313726), (140, 222268908), (142, 219138360), (168, 185224090), (210, 148179272), (213, 146092240), (240, 129656863), (280, 111134454), (284, 109569180), (336, 92612045), (355, 87655344), (420, 74089636), (426, 73046120), (497, 62610960), (560, 55567227), (568, 54784590), (710, 43827672), (840, 37044818), (852, 36523060), (994, 31305480), (1065, 29218448), (1136, 27392295), (1420, 21913836), (1491, 20870320), (1680, 18522409), (1704, 18261530), (1988, 15652740), (2130, 14609224), (2485, 12522192), (2840, 10956918), (2982, 10435160), (3408, 9130765), (3976, 7826370), (4260, 7304612), (4970, 6261096), (5680, 5478459), (5964, 5217580), (7455, 4174064), (7952, 3913185), (8520, 3652306), (9940, 3130548), (11928, 2608790), (14910, 2087032), (17040, 1826153), (19880, 1565274), (23856, 1304395), (29820, 1043516), (39760, 782637), (59640, 521758), (119280, 260879)]