280165716

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 120

約数和(自身を含む): 783034560

約数和(自身を除く): 502868844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 71, 76, 81, 108, 114, 142, 162, 171, 213, 228, 284, 324, 342, 426, 513, 639, 641, 684, 852, 1026, 1278, 1282, 1349, 1539, 1917, 1923, 2052, 2556, 2564, 2698, 3078, 3834, 3846, 4047, 5396, 5751, 5769, 6156, 7668, 7692, 8094, 11502, 11538, 12141, 12179, 16188, 17307, 23004, 23076, 24282, 24358, 34614, 36423, 36537, 45511, 48564, 48716, 51921, 69228, 72846, 73074, 91022, 103842, 109269, 109611, 136533, 145692, 146148, 182044, 207684, 218538, 219222, 273066, 328833, 409599, 437076, 438444, 546132, 657666, 819198, 864709, 986499, 1228797, 1315332, 1638396, 1729418, 1972998, 2457594, 2594127, 3458836, 3686391, 3945996, 4915188, 5188254, 7372782, 7782381, 10376508, 14745564, 15564762, 23347143, 31129524, 46694286, 70041429, 93388572, 140082858, 280165716]

約数ペア:

[(1, 280165716), (2, 140082858), (3, 93388572), (4, 70041429), (6, 46694286), (9, 31129524), (12, 23347143), (18, 15564762), (19, 14745564), (27, 10376508), (36, 7782381), (38, 7372782), (54, 5188254), (57, 4915188), (71, 3945996), (76, 3686391), (81, 3458836), (108, 2594127), (114, 2457594), (142, 1972998), (162, 1729418), (171, 1638396), (213, 1315332), (228, 1228797), (284, 986499), (324, 864709), (342, 819198), (426, 657666), (513, 546132), (639, 438444), (641, 437076), (684, 409599), (852, 328833), (1026, 273066), (1278, 219222), (1282, 218538), (1349, 207684), (1539, 182044), (1917, 146148), (1923, 145692), (2052, 136533), (2556, 109611), (2564, 109269), (2698, 103842), (3078, 91022), (3834, 73074), (3846, 72846), (4047, 69228), (5396, 51921), (5751, 48716), (5769, 48564), (6156, 45511), (7668, 36537), (7692, 36423), (8094, 34614), (11502, 24358), (11538, 24282), (12141, 23076), (12179, 23004), (16188, 17307)]