81630120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 256

約数和(自身を含む): 296110080

約数和(自身を除く): 214479960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 67, 71, 78, 88, 104, 110, 120, 130, 132, 134, 142, 143, 156, 165, 195, 201, 213, 220, 260, 264, 268, 284, 286, 312, 330, 335, 355, 390, 402, 426, 429, 440, 520, 536, 568, 572, 660, 670, 710, 715, 737, 780, 781, 804, 852, 858, 871, 923, 1005, 1065, 1144, 1320, 1340, 1420, 1430, 1474, 1560, 1562, 1608, 1704, 1716, 1742, 1846, 2010, 2130, 2145, 2211, 2343, 2613, 2680, 2769, 2840, 2860, 2948, 3124, 3432, 3484, 3685, 3692, 3905, 4020, 4260, 4290, 4355, 4422, 4615, 4686, 4757, 5226, 5538, 5720, 5896, 6248, 6968, 7370, 7384, 7810, 8040, 8520, 8580, 8710, 8844, 9230, 9372, 9514, 9581, 10153, 10452, 11055, 11076, 11715, 13065, 13845, 14271, 14740, 15620, 17160, 17420, 17688, 18460, 18744, 19028, 19162, 20306, 20904, 22110, 22152, 23430, 23785, 26130, 27690, 28542, 28743, 29480, 30459, 31240, 34840, 36920, 38056, 38324, 40612, 44220, 46860, 47570, 47905, 50765, 52260, 52327, 55380, 57084, 57486, 60918, 61841, 71355, 76648, 81224, 88440, 93720, 95140, 95810, 101530, 104520, 104654, 110760, 114168, 114972, 121836, 123682, 142710, 143715, 152295, 156981, 185523, 190280, 191620, 203060, 209308, 229944, 243672, 247364, 261635, 285420, 287430, 304590, 309205, 313962, 371046, 383240, 406120, 418616, 494728, 523270, 570840, 574860, 609180, 618410, 627924, 680251, 742092, 784905, 927615, 1046540, 1149720, 1218360, 1236820, 1255848, 1360502, 1484184, 1569810, 1855230, 2040753, 2093080, 2473640, 2721004, 3139620, 3401255, 3710460, 4081506, 5442008, 6279240, 6802510, 7420920, 8163012, 10203765, 13605020, 16326024, 20407530, 27210040, 40815060, 81630120]

約数ペア:

[(1, 81630120), (2, 40815060), (3, 27210040), (4, 20407530), (5, 16326024), (6, 13605020), (8, 10203765), (10, 8163012), (11, 7420920), (12, 6802510), (13, 6279240), (15, 5442008), (20, 4081506), (22, 3710460), (24, 3401255), (26, 3139620), (30, 2721004), (33, 2473640), (39, 2093080), (40, 2040753), (44, 1855230), (52, 1569810), (55, 1484184), (60, 1360502), (65, 1255848), (66, 1236820), (67, 1218360), (71, 1149720), (78, 1046540), (88, 927615), (104, 784905), (110, 742092), (120, 680251), (130, 627924), (132, 618410), (134, 609180), (142, 574860), (143, 570840), (156, 523270), (165, 494728), (195, 418616), (201, 406120), (213, 383240), (220, 371046), (260, 313962), (264, 309205), (268, 304590), (284, 287430), (286, 285420), (312, 261635), (330, 247364), (335, 243672), (355, 229944), (390, 209308), (402, 203060), (426, 191620), (429, 190280), (440, 185523), (520, 156981), (536, 152295), (568, 143715), (572, 142710), (660, 123682), (670, 121836), (710, 114972), (715, 114168), (737, 110760), (780, 104654), (781, 104520), (804, 101530), (852, 95810), (858, 95140), (871, 93720), (923, 88440), (1005, 81224), (1065, 76648), (1144, 71355), (1320, 61841), (1340, 60918), (1420, 57486), (1430, 57084), (1474, 55380), (1560, 52327), (1562, 52260), (1608, 50765), (1704, 47905), (1716, 47570), (1742, 46860), (1846, 44220), (2010, 40612), (2130, 38324), (2145, 38056), (2211, 36920), (2343, 34840), (2613, 31240), (2680, 30459), (2769, 29480), (2840, 28743), (2860, 28542), (2948, 27690), (3124, 26130), (3432, 23785), (3484, 23430), (3685, 22152), (3692, 22110), (3905, 20904), (4020, 20306), (4260, 19162), (4290, 19028), (4355, 18744), (4422, 18460), (4615, 17688), (4686, 17420), (4757, 17160), (5226, 15620), (5538, 14740), (5720, 14271), (5896, 13845), (6248, 13065), (6968, 11715), (7370, 11076), (7384, 11055), (7810, 10452), (8040, 10153), (8520, 9581), (8580, 9514), (8710, 9372), (8844, 9230)]