15691918930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1\times {\mathrm{2647}}^1$

素因数の和:3475

約数の個数: 64

約数和(自身を含む): 30508773120

約数和(自身を除く): 14816854190

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 761, 779, 1522, 1558, 2647, 3805, 3895, 5294, 7610, 7790, 13235, 14459, 26470, 28918, 31201, 50293, 62402, 72295, 100586, 108527, 144590, 156005, 217054, 251465, 312010, 502930, 542635, 592819, 1085270, 1185638, 2014367, 2062013, 2964095, 4028734, 4124026, 5928190, 10071835, 10310065, 20143670, 20620130, 38272973, 76545946, 82589047, 165178094, 191364865, 382729730, 412945235, 825890470, 1569191893, 3138383786, 7845959465, 15691918930]

約数ペア:

[(1, 15691918930), (2, 7845959465), (5, 3138383786), (10, 1569191893), (19, 825890470), (38, 412945235), (41, 382729730), (82, 191364865), (95, 165178094), (190, 82589047), (205, 76545946), (410, 38272973), (761, 20620130), (779, 20143670), (1522, 10310065), (1558, 10071835), (2647, 5928190), (3805, 4124026), (3895, 4028734), (5294, 2964095), (7610, 2062013), (7790, 2014367), (13235, 1185638), (14459, 1085270), (26470, 592819), (28918, 542635), (31201, 502930), (50293, 312010), (62402, 251465), (72295, 217054), (100586, 156005), (108527, 144590)]