81699240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5119}}^1$

素因数の和:5159

約数の個数: 128

約数和(自身を含む): 294912000

約数和(自身を除く): 213212760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5119, 5320, 7980, 10238, 15357, 15960, 20476, 25595, 30714, 35833, 40952, 51190, 61428, 71666, 76785, 97261, 102380, 107499, 122856, 143332, 153570, 179165, 194522, 204760, 214998, 286664, 291783, 307140, 358330, 389044, 429996, 486305, 537495, 583566, 614280, 680827, 716660, 778088, 859992, 972610, 1074990, 1167132, 1361654, 1433320, 1458915, 1945220, 2042481, 2149980, 2334264, 2723308, 2917830, 3404135, 3890440, 4084962, 4299960, 5446616, 5835660, 6808270, 8169924, 10212405, 11671320, 13616540, 16339848, 20424810, 27233080, 40849620, 81699240]

約数ペア:

[(1, 81699240), (2, 40849620), (3, 27233080), (4, 20424810), (5, 16339848), (6, 13616540), (7, 11671320), (8, 10212405), (10, 8169924), (12, 6808270), (14, 5835660), (15, 5446616), (19, 4299960), (20, 4084962), (21, 3890440), (24, 3404135), (28, 2917830), (30, 2723308), (35, 2334264), (38, 2149980), (40, 2042481), (42, 1945220), (56, 1458915), (57, 1433320), (60, 1361654), (70, 1167132), (76, 1074990), (84, 972610), (95, 859992), (105, 778088), (114, 716660), (120, 680827), (133, 614280), (140, 583566), (152, 537495), (168, 486305), (190, 429996), (210, 389044), (228, 358330), (266, 307140), (280, 291783), (285, 286664), (380, 214998), (399, 204760), (420, 194522), (456, 179165), (532, 153570), (570, 143332), (665, 122856), (760, 107499), (798, 102380), (840, 97261), (1064, 76785), (1140, 71666), (1330, 61428), (1596, 51190), (1995, 40952), (2280, 35833), (2660, 30714), (3192, 25595), (3990, 20476), (5119, 15960), (5320, 15357), (7980, 10238)]