640763004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:812

約数の個数: 144

約数和(自身を含む): 1835719200

約数和(自身を除く): 1194956196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 53, 58, 84, 87, 98, 106, 116, 147, 159, 174, 196, 203, 212, 294, 318, 348, 371, 406, 588, 609, 636, 709, 742, 812, 1113, 1218, 1418, 1421, 1484, 1537, 2127, 2226, 2436, 2597, 2836, 2842, 3074, 4254, 4263, 4452, 4611, 4963, 5194, 5684, 6148, 7791, 8508, 8526, 9222, 9926, 10388, 10759, 14889, 15582, 17052, 18444, 19852, 20561, 21518, 29778, 31164, 32277, 34741, 37577, 41122, 43036, 59556, 61683, 64554, 69482, 75154, 75313, 82244, 104223, 112731, 123366, 129108, 138964, 143927, 150308, 150626, 208446, 225462, 225939, 246732, 263039, 287854, 301252, 416892, 431781, 450924, 451878, 526078, 575708, 789117, 863562, 903756, 1007489, 1052156, 1089733, 1578234, 1727124, 1841273, 2014978, 2179466, 3022467, 3156468, 3269199, 3682546, 4029956, 4358932, 5523819, 6044934, 6538398, 7365092, 7628131, 11047638, 12089868, 13076796, 15256262, 22095276, 22884393, 30512524, 45768786, 53396917, 91537572, 106793834, 160190751, 213587668, 320381502, 640763004]

約数ペア:

[(1, 640763004), (2, 320381502), (3, 213587668), (4, 160190751), (6, 106793834), (7, 91537572), (12, 53396917), (14, 45768786), (21, 30512524), (28, 22884393), (29, 22095276), (42, 15256262), (49, 13076796), (53, 12089868), (58, 11047638), (84, 7628131), (87, 7365092), (98, 6538398), (106, 6044934), (116, 5523819), (147, 4358932), (159, 4029956), (174, 3682546), (196, 3269199), (203, 3156468), (212, 3022467), (294, 2179466), (318, 2014978), (348, 1841273), (371, 1727124), (406, 1578234), (588, 1089733), (609, 1052156), (636, 1007489), (709, 903756), (742, 863562), (812, 789117), (1113, 575708), (1218, 526078), (1418, 451878), (1421, 450924), (1484, 431781), (1537, 416892), (2127, 301252), (2226, 287854), (2436, 263039), (2597, 246732), (2836, 225939), (2842, 225462), (3074, 208446), (4254, 150626), (4263, 150308), (4452, 143927), (4611, 138964), (4963, 129108), (5194, 123366), (5684, 112731), (6148, 104223), (7791, 82244), (8508, 75313), (8526, 75154), (9222, 69482), (9926, 64554), (10388, 61683), (10759, 59556), (14889, 43036), (15582, 41122), (17052, 37577), (18444, 34741), (19852, 32277), (20561, 31164), (21518, 29778)]