81304230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 248209920

約数和(自身を除く): 166905690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 41, 42, 49, 57, 70, 71, 82, 95, 98, 105, 114, 123, 133, 142, 147, 190, 205, 210, 213, 245, 246, 266, 285, 287, 294, 355, 399, 410, 426, 490, 497, 570, 574, 615, 665, 710, 735, 779, 798, 861, 931, 994, 1065, 1230, 1330, 1349, 1435, 1470, 1491, 1558, 1722, 1862, 1995, 2009, 2130, 2337, 2485, 2698, 2793, 2870, 2911, 2982, 3479, 3895, 3990, 4018, 4047, 4305, 4655, 4674, 4970, 5453, 5586, 5822, 6027, 6745, 6958, 7455, 7790, 8094, 8610, 8733, 9310, 9443, 10045, 10437, 10906, 11685, 12054, 13490, 13965, 14555, 14910, 16359, 17395, 17466, 18886, 20090, 20235, 20377, 20874, 23370, 27265, 27930, 28329, 29110, 30135, 32718, 34790, 38171, 40470, 40754, 43665, 47215, 52185, 54530, 55309, 56658, 60270, 61131, 66101, 76342, 81795, 87330, 94430, 101885, 104370, 110618, 114513, 122262, 132202, 141645, 142639, 163590, 165927, 190855, 198303, 203770, 229026, 276545, 283290, 285278, 305655, 330505, 331854, 381710, 387163, 396606, 427917, 553090, 572565, 611310, 661010, 713195, 774326, 829635, 855834, 991515, 1145130, 1161489, 1426390, 1659270, 1935815, 1983030, 2139585, 2322978, 2710141, 3871630, 4279170, 5420282, 5807445, 8130423, 11614890, 13550705, 16260846, 27101410, 40652115, 81304230]

約数ペア:

[(1, 81304230), (2, 40652115), (3, 27101410), (5, 16260846), (6, 13550705), (7, 11614890), (10, 8130423), (14, 5807445), (15, 5420282), (19, 4279170), (21, 3871630), (30, 2710141), (35, 2322978), (38, 2139585), (41, 1983030), (42, 1935815), (49, 1659270), (57, 1426390), (70, 1161489), (71, 1145130), (82, 991515), (95, 855834), (98, 829635), (105, 774326), (114, 713195), (123, 661010), (133, 611310), (142, 572565), (147, 553090), (190, 427917), (205, 396606), (210, 387163), (213, 381710), (245, 331854), (246, 330505), (266, 305655), (285, 285278), (287, 283290), (294, 276545), (355, 229026), (399, 203770), (410, 198303), (426, 190855), (490, 165927), (497, 163590), (570, 142639), (574, 141645), (615, 132202), (665, 122262), (710, 114513), (735, 110618), (779, 104370), (798, 101885), (861, 94430), (931, 87330), (994, 81795), (1065, 76342), (1230, 66101), (1330, 61131), (1349, 60270), (1435, 56658), (1470, 55309), (1491, 54530), (1558, 52185), (1722, 47215), (1862, 43665), (1995, 40754), (2009, 40470), (2130, 38171), (2337, 34790), (2485, 32718), (2698, 30135), (2793, 29110), (2870, 28329), (2911, 27930), (2982, 27265), (3479, 23370), (3895, 20874), (3990, 20377), (4018, 20235), (4047, 20090), (4305, 18886), (4655, 17466), (4674, 17395), (4970, 16359), (5453, 14910), (5586, 14555), (5822, 13965), (6027, 13490), (6745, 12054), (6958, 11685), (7455, 10906), (7790, 10437), (8094, 10045), (8610, 9443), (8733, 9310)]