81440268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 256048128

約数和(自身を除く): 174607860

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 41, 42, 51, 52, 68, 78, 82, 84, 91, 102, 107, 119, 123, 156, 164, 182, 204, 214, 221, 238, 246, 273, 287, 321, 357, 364, 428, 442, 476, 492, 533, 546, 574, 642, 663, 697, 714, 749, 861, 884, 1066, 1092, 1148, 1284, 1326, 1391, 1394, 1428, 1498, 1547, 1599, 1722, 1819, 2091, 2132, 2247, 2652, 2782, 2788, 2996, 3094, 3198, 3444, 3638, 3731, 4173, 4182, 4387, 4494, 4641, 4879, 5457, 5564, 6188, 6396, 7276, 7462, 8346, 8364, 8774, 8988, 9061, 9282, 9737, 9758, 10914, 11193, 12733, 13161, 14637, 14924, 16692, 17548, 18122, 18564, 19474, 19516, 21828, 22386, 23647, 25466, 26322, 27183, 29211, 29274, 30709, 36244, 38199, 38948, 44772, 47294, 50932, 52644, 54366, 57031, 58422, 58548, 61418, 63427, 70941, 74579, 76398, 92127, 94588, 108732, 114062, 116844, 122836, 126854, 141882, 149158, 152796, 165529, 171093, 184254, 190281, 223737, 228124, 253708, 283764, 298316, 331058, 342186, 368508, 380562, 399217, 447474, 496587, 522053, 662116, 684372, 761124, 798434, 894948, 969527, 993174, 1044106, 1197651, 1566159, 1596868, 1939054, 1986348, 2088212, 2395302, 2908581, 3132318, 3878108, 4790604, 5817162, 6264636, 6786689, 11634324, 13573378, 20360067, 27146756, 40720134, 81440268]

約数ペア:

[(1, 81440268), (2, 40720134), (3, 27146756), (4, 20360067), (6, 13573378), (7, 11634324), (12, 6786689), (13, 6264636), (14, 5817162), (17, 4790604), (21, 3878108), (26, 3132318), (28, 2908581), (34, 2395302), (39, 2088212), (41, 1986348), (42, 1939054), (51, 1596868), (52, 1566159), (68, 1197651), (78, 1044106), (82, 993174), (84, 969527), (91, 894948), (102, 798434), (107, 761124), (119, 684372), (123, 662116), (156, 522053), (164, 496587), (182, 447474), (204, 399217), (214, 380562), (221, 368508), (238, 342186), (246, 331058), (273, 298316), (287, 283764), (321, 253708), (357, 228124), (364, 223737), (428, 190281), (442, 184254), (476, 171093), (492, 165529), (533, 152796), (546, 149158), (574, 141882), (642, 126854), (663, 122836), (697, 116844), (714, 114062), (749, 108732), (861, 94588), (884, 92127), (1066, 76398), (1092, 74579), (1148, 70941), (1284, 63427), (1326, 61418), (1391, 58548), (1394, 58422), (1428, 57031), (1498, 54366), (1547, 52644), (1599, 50932), (1722, 47294), (1819, 44772), (2091, 38948), (2132, 38199), (2247, 36244), (2652, 30709), (2782, 29274), (2788, 29211), (2996, 27183), (3094, 26322), (3198, 25466), (3444, 23647), (3638, 22386), (3731, 21828), (4173, 19516), (4182, 19474), (4387, 18564), (4494, 18122), (4641, 17548), (4879, 16692), (5457, 14924), (5564, 14637), (6188, 13161), (6396, 12733), (7276, 11193), (7462, 10914), (8346, 9758), (8364, 9737), (8774, 9282), (8988, 9061)]