261165564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 767719680

約数和(自身を除く): 506554116

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 103, 114, 132, 171, 198, 206, 209, 228, 309, 337, 342, 396, 412, 418, 618, 627, 674, 684, 836, 927, 1011, 1133, 1236, 1254, 1348, 1854, 1881, 1957, 2022, 2266, 2508, 3033, 3399, 3707, 3708, 3762, 3914, 4044, 4532, 5871, 6066, 6403, 6798, 7414, 7524, 7828, 10197, 11121, 11742, 12132, 12806, 13596, 14828, 17613, 19209, 20394, 21527, 22242, 23484, 25612, 33363, 34711, 35226, 38418, 40788, 43054, 44484, 57627, 64581, 66726, 69422, 70433, 70452, 76836, 86108, 104133, 115254, 129162, 133452, 138844, 140866, 193743, 208266, 211299, 230508, 258324, 281732, 312399, 381821, 387486, 416532, 422598, 624798, 633897, 659509, 763642, 774972, 845196, 1145463, 1249596, 1267794, 1319018, 1527284, 1978527, 2290926, 2535588, 2638036, 3436389, 3957054, 4581852, 5935581, 6872778, 7254599, 7914108, 11871162, 13745556, 14509198, 21763797, 23742324, 29018396, 43527594, 65291391, 87055188, 130582782, 261165564]

約数ペア:

[(1, 261165564), (2, 130582782), (3, 87055188), (4, 65291391), (6, 43527594), (9, 29018396), (11, 23742324), (12, 21763797), (18, 14509198), (19, 13745556), (22, 11871162), (33, 7914108), (36, 7254599), (38, 6872778), (44, 5935581), (57, 4581852), (66, 3957054), (76, 3436389), (99, 2638036), (103, 2535588), (114, 2290926), (132, 1978527), (171, 1527284), (198, 1319018), (206, 1267794), (209, 1249596), (228, 1145463), (309, 845196), (337, 774972), (342, 763642), (396, 659509), (412, 633897), (418, 624798), (618, 422598), (627, 416532), (674, 387486), (684, 381821), (836, 312399), (927, 281732), (1011, 258324), (1133, 230508), (1236, 211299), (1254, 208266), (1348, 193743), (1854, 140866), (1881, 138844), (1957, 133452), (2022, 129162), (2266, 115254), (2508, 104133), (3033, 86108), (3399, 76836), (3707, 70452), (3708, 70433), (3762, 69422), (3914, 66726), (4044, 64581), (4532, 57627), (5871, 44484), (6066, 43054), (6403, 40788), (6798, 38418), (7414, 35226), (7524, 34711), (7828, 33363), (10197, 25612), (11121, 23484), (11742, 22242), (12132, 21527), (12806, 20394), (13596, 19209), (14828, 17613)]