20131208625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^3\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:865

約数の個数: 128

約数和(自身を含む): 37590179328

約数和(自身を除く): 17458970703

約数列:

[1, 3, 5, 11, 15, 25, 33, 53, 55, 75, 121, 125, 159, 165, 265, 275, 363, 375, 583, 605, 761, 795, 825, 1325, 1331, 1375, 1749, 1815, 2283, 2915, 3025, 3805, 3975, 3993, 4125, 6413, 6625, 6655, 8371, 8745, 9075, 11415, 14575, 15125, 19025, 19239, 19875, 19965, 25113, 32065, 33275, 40333, 41855, 43725, 45375, 57075, 70543, 72875, 92081, 95125, 96195, 99825, 120999, 125565, 160325, 166375, 201665, 209275, 211629, 218625, 276243, 285375, 352715, 443663, 460405, 480975, 499125, 604995, 627825, 801625, 1008325, 1012891, 1046375, 1058145, 1330989, 1381215, 1763575, 2218315, 2302025, 2404875, 3024975, 3038673, 3139125, 4880293, 5041625, 5064455, 5290725, 6654945, 6906075, 8817875, 11091575, 11510125, 14640879, 15124875, 15193365, 24401465, 25322275, 26453625, 33274725, 34530375, 53683223, 55457875, 73204395, 75966825, 122007325, 126611375, 161049669, 166373625, 268416115, 366021975, 379834125, 610036625, 805248345, 1342080575, 1830109875, 4026241725, 6710402875, 20131208625]

約数ペア:

[(1, 20131208625), (3, 6710402875), (5, 4026241725), (11, 1830109875), (15, 1342080575), (25, 805248345), (33, 610036625), (53, 379834125), (55, 366021975), (75, 268416115), (121, 166373625), (125, 161049669), (159, 126611375), (165, 122007325), (265, 75966825), (275, 73204395), (363, 55457875), (375, 53683223), (583, 34530375), (605, 33274725), (761, 26453625), (795, 25322275), (825, 24401465), (1325, 15193365), (1331, 15124875), (1375, 14640879), (1749, 11510125), (1815, 11091575), (2283, 8817875), (2915, 6906075), (3025, 6654945), (3805, 5290725), (3975, 5064455), (3993, 5041625), (4125, 4880293), (6413, 3139125), (6625, 3038673), (6655, 3024975), (8371, 2404875), (8745, 2302025), (9075, 2218315), (11415, 1763575), (14575, 1381215), (15125, 1330989), (19025, 1058145), (19239, 1046375), (19875, 1012891), (19965, 1008325), (25113, 801625), (32065, 627825), (33275, 604995), (40333, 499125), (41855, 480975), (43725, 460405), (45375, 443663), (57075, 352715), (70543, 285375), (72875, 276243), (92081, 218625), (95125, 211629), (96195, 209275), (99825, 201665), (120999, 166375), (125565, 160325)]