257437764

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 180

約数和(自身を含む): 743516928

約数和(自身を除く): 486079164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 71, 76, 81, 93, 108, 114, 124, 142, 162, 171, 186, 213, 228, 279, 284, 324, 342, 361, 372, 426, 513, 558, 589, 639, 684, 722, 837, 852, 1026, 1083, 1116, 1178, 1278, 1349, 1444, 1539, 1674, 1767, 1917, 2052, 2166, 2201, 2356, 2511, 2556, 2698, 3078, 3249, 3348, 3534, 3834, 4047, 4332, 4402, 5022, 5301, 5396, 5751, 6156, 6498, 6603, 7068, 7668, 8094, 8804, 9747, 10044, 10602, 11191, 11502, 12141, 12996, 13206, 15903, 16188, 19494, 19809, 21204, 22382, 23004, 24282, 25631, 26412, 29241, 31806, 33573, 36423, 38988, 39618, 41819, 44764, 47709, 48564, 51262, 58482, 59427, 63612, 67146, 72846, 76893, 79236, 83638, 95418, 100719, 102524, 109269, 116964, 118854, 125457, 134292, 145692, 153786, 167276, 178281, 190836, 201438, 218538, 230679, 237708, 250914, 302157, 307572, 356562, 376371, 402876, 437076, 461358, 501828, 604314, 692037, 713124, 752742, 794561, 906471, 922716, 1129113, 1208628, 1384074, 1505484, 1589122, 1812942, 2076111, 2258226, 2383683, 2768148, 3178244, 3387339, 3625884, 4152222, 4516452, 4767366, 6774678, 7151049, 8304444, 9534732, 13549356, 14302098, 21453147, 28604196, 42906294, 64359441, 85812588, 128718882, 257437764]

約数ペア:

[(1, 257437764), (2, 128718882), (3, 85812588), (4, 64359441), (6, 42906294), (9, 28604196), (12, 21453147), (18, 14302098), (19, 13549356), (27, 9534732), (31, 8304444), (36, 7151049), (38, 6774678), (54, 4767366), (57, 4516452), (62, 4152222), (71, 3625884), (76, 3387339), (81, 3178244), (93, 2768148), (108, 2383683), (114, 2258226), (124, 2076111), (142, 1812942), (162, 1589122), (171, 1505484), (186, 1384074), (213, 1208628), (228, 1129113), (279, 922716), (284, 906471), (324, 794561), (342, 752742), (361, 713124), (372, 692037), (426, 604314), (513, 501828), (558, 461358), (589, 437076), (639, 402876), (684, 376371), (722, 356562), (837, 307572), (852, 302157), (1026, 250914), (1083, 237708), (1116, 230679), (1178, 218538), (1278, 201438), (1349, 190836), (1444, 178281), (1539, 167276), (1674, 153786), (1767, 145692), (1917, 134292), (2052, 125457), (2166, 118854), (2201, 116964), (2356, 109269), (2511, 102524), (2556, 100719), (2698, 95418), (3078, 83638), (3249, 79236), (3348, 76893), (3534, 72846), (3834, 67146), (4047, 63612), (4332, 59427), (4402, 58482), (5022, 51262), (5301, 48564), (5396, 47709), (5751, 44764), (6156, 41819), (6498, 39618), (6603, 38988), (7068, 36423), (7668, 33573), (8094, 31806), (8804, 29241), (9747, 26412), (10044, 25631), (10602, 24282), (11191, 23004), (11502, 22382), (12141, 21204), (12996, 19809), (13206, 19494), (15903, 16188)]