81442680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 192

約数和(自身を含む): 275788800

約数和(自身を除く): 194346120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 79, 88, 110, 120, 121, 132, 142, 158, 165, 213, 220, 237, 242, 264, 284, 316, 330, 355, 363, 395, 426, 440, 474, 484, 568, 605, 632, 660, 710, 726, 781, 790, 852, 869, 948, 968, 1065, 1185, 1210, 1320, 1420, 1452, 1562, 1580, 1704, 1738, 1815, 1896, 2130, 2343, 2370, 2420, 2607, 2840, 2904, 3124, 3160, 3476, 3630, 3905, 4260, 4345, 4686, 4740, 4840, 5214, 5609, 6248, 6952, 7260, 7810, 8520, 8591, 8690, 9372, 9480, 9559, 10428, 11218, 11715, 13035, 14520, 15620, 16827, 17182, 17380, 18744, 19118, 20856, 22436, 23430, 25773, 26070, 28045, 28677, 31240, 33654, 34364, 34760, 38236, 42955, 44872, 46860, 47795, 51546, 52140, 56090, 57354, 61699, 67308, 68728, 76472, 84135, 85910, 93720, 95590, 103092, 104280, 112180, 114708, 123398, 128865, 134616, 143385, 168270, 171820, 185097, 191180, 206184, 224360, 229416, 246796, 257730, 286770, 308495, 336540, 343640, 370194, 382360, 493592, 515460, 573540, 616990, 673080, 678689, 740388, 925485, 1030920, 1147080, 1233980, 1357378, 1480776, 1850970, 2036067, 2467960, 2714756, 3393445, 3701940, 4072134, 5429512, 6786890, 7403880, 8144268, 10180335, 13573780, 16288536, 20360670, 27147560, 40721340, 81442680]

約数ペア:

[(1, 81442680), (2, 40721340), (3, 27147560), (4, 20360670), (5, 16288536), (6, 13573780), (8, 10180335), (10, 8144268), (11, 7403880), (12, 6786890), (15, 5429512), (20, 4072134), (22, 3701940), (24, 3393445), (30, 2714756), (33, 2467960), (40, 2036067), (44, 1850970), (55, 1480776), (60, 1357378), (66, 1233980), (71, 1147080), (79, 1030920), (88, 925485), (110, 740388), (120, 678689), (121, 673080), (132, 616990), (142, 573540), (158, 515460), (165, 493592), (213, 382360), (220, 370194), (237, 343640), (242, 336540), (264, 308495), (284, 286770), (316, 257730), (330, 246796), (355, 229416), (363, 224360), (395, 206184), (426, 191180), (440, 185097), (474, 171820), (484, 168270), (568, 143385), (605, 134616), (632, 128865), (660, 123398), (710, 114708), (726, 112180), (781, 104280), (790, 103092), (852, 95590), (869, 93720), (948, 85910), (968, 84135), (1065, 76472), (1185, 68728), (1210, 67308), (1320, 61699), (1420, 57354), (1452, 56090), (1562, 52140), (1580, 51546), (1704, 47795), (1738, 46860), (1815, 44872), (1896, 42955), (2130, 38236), (2343, 34760), (2370, 34364), (2420, 33654), (2607, 31240), (2840, 28677), (2904, 28045), (3124, 26070), (3160, 25773), (3476, 23430), (3630, 22436), (3905, 20856), (4260, 19118), (4345, 18744), (4686, 17380), (4740, 17182), (4840, 16827), (5214, 15620), (5609, 14520), (6248, 13035), (6952, 11715), (7260, 11218), (7810, 10428), (8520, 9559), (8591, 9480), (8690, 9372)]