168704760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1877}}^1$

素因数の和:2005

約数の個数: 128

約数和(自身を含む): 584133120

約数和(自身を除く): 415428360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 642, 749, 840, 856, 1070, 1284, 1498, 1605, 1877, 2140, 2247, 2568, 2996, 3210, 3745, 3754, 4280, 4494, 5631, 5992, 6420, 7490, 7508, 8988, 9385, 11235, 11262, 12840, 13139, 14980, 15016, 17976, 18770, 22470, 22524, 26278, 28155, 29960, 37540, 39417, 44940, 45048, 52556, 56310, 65695, 75080, 78834, 89880, 105112, 112620, 131390, 157668, 197085, 200839, 225240, 262780, 315336, 394170, 401678, 525560, 602517, 788340, 803356, 1004195, 1205034, 1405873, 1576680, 1606712, 2008390, 2410068, 2811746, 3012585, 4016780, 4217619, 4820136, 5623492, 6025170, 7029365, 8033560, 8435238, 11246984, 12050340, 14058730, 16870476, 21088095, 24100680, 28117460, 33740952, 42176190, 56234920, 84352380, 168704760]

約数ペア:

[(1, 168704760), (2, 84352380), (3, 56234920), (4, 42176190), (5, 33740952), (6, 28117460), (7, 24100680), (8, 21088095), (10, 16870476), (12, 14058730), (14, 12050340), (15, 11246984), (20, 8435238), (21, 8033560), (24, 7029365), (28, 6025170), (30, 5623492), (35, 4820136), (40, 4217619), (42, 4016780), (56, 3012585), (60, 2811746), (70, 2410068), (84, 2008390), (105, 1606712), (107, 1576680), (120, 1405873), (140, 1205034), (168, 1004195), (210, 803356), (214, 788340), (280, 602517), (321, 525560), (420, 401678), (428, 394170), (535, 315336), (642, 262780), (749, 225240), (840, 200839), (856, 197085), (1070, 157668), (1284, 131390), (1498, 112620), (1605, 105112), (1877, 89880), (2140, 78834), (2247, 75080), (2568, 65695), (2996, 56310), (3210, 52556), (3745, 45048), (3754, 44940), (4280, 39417), (4494, 37540), (5631, 29960), (5992, 28155), (6420, 26278), (7490, 22524), (7508, 22470), (8988, 18770), (9385, 17976), (11235, 15016), (11262, 14980), (12840, 13139)]