25561028475

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:742

約数の個数: 144

約数和(自身を含む): 48569302080

約数和(自身を除く): 23008273605

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 73, 75, 87, 103, 145, 219, 225, 261, 309, 365, 435, 515, 521, 657, 725, 927, 1095, 1305, 1545, 1563, 1825, 2117, 2175, 2575, 2605, 2987, 3285, 4635, 4689, 5475, 6351, 6525, 7519, 7725, 7815, 8961, 10585, 13025, 14935, 15109, 16425, 19053, 22557, 23175, 23445, 26883, 31755, 37595, 38033, 39075, 44805, 45327, 52925, 53663, 67671, 74675, 75545, 95265, 112785, 114099, 117225, 134415, 135981, 158775, 160989, 187975, 190165, 218051, 224025, 226635, 268315, 338355, 342297, 377725, 476325, 482967, 563925, 570495, 654153, 672075, 679905, 804945, 950825, 1090255, 1102957, 1133175, 1341575, 1556227, 1691775, 1711485, 1962459, 2414835, 2852475, 3270765, 3308871, 3399525, 3917399, 4024725, 4668681, 5451275, 5514785, 7781135, 8557425, 9812295, 9926613, 11752197, 12074175, 14006043, 16353825, 16544355, 19586995, 23343405, 27573925, 35256591, 38905675, 49061475, 49633065, 58760985, 70030215, 82721775, 97934975, 113604571, 116717025, 176282955, 248165325, 293804925, 340813713, 350151075, 568022855, 881414775, 1022441139, 1704068565, 2840114275, 5112205695, 8520342825, 25561028475]

約数ペア:

[(1, 25561028475), (3, 8520342825), (5, 5112205695), (9, 2840114275), (15, 1704068565), (25, 1022441139), (29, 881414775), (45, 568022855), (73, 350151075), (75, 340813713), (87, 293804925), (103, 248165325), (145, 176282955), (219, 116717025), (225, 113604571), (261, 97934975), (309, 82721775), (365, 70030215), (435, 58760985), (515, 49633065), (521, 49061475), (657, 38905675), (725, 35256591), (927, 27573925), (1095, 23343405), (1305, 19586995), (1545, 16544355), (1563, 16353825), (1825, 14006043), (2117, 12074175), (2175, 11752197), (2575, 9926613), (2605, 9812295), (2987, 8557425), (3285, 7781135), (4635, 5514785), (4689, 5451275), (5475, 4668681), (6351, 4024725), (6525, 3917399), (7519, 3399525), (7725, 3308871), (7815, 3270765), (8961, 2852475), (10585, 2414835), (13025, 1962459), (14935, 1711485), (15109, 1691775), (16425, 1556227), (19053, 1341575), (22557, 1133175), (23175, 1102957), (23445, 1090255), (26883, 950825), (31755, 804945), (37595, 679905), (38033, 672075), (39075, 654153), (44805, 570495), (45327, 563925), (52925, 482967), (53663, 476325), (67671, 377725), (74675, 342297), (75545, 338355), (95265, 268315), (112785, 226635), (114099, 224025), (117225, 218051), (134415, 190165), (135981, 187975), (158775, 160989)]