212890440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13339}}^1$

素因数の和:13379

約数の個数: 128

約数和(自身を含む): 768384000

約数和(自身を除く): 555493560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 13339, 15960, 26678, 40017, 53356, 66695, 80034, 93373, 106712, 133390, 160068, 186746, 200085, 253441, 266780, 280119, 320136, 373492, 400170, 466865, 506882, 533560, 560238, 746984, 760323, 800340, 933730, 1013764, 1120476, 1267205, 1400595, 1520646, 1600680, 1774087, 1867460, 2027528, 2240952, 2534410, 2801190, 3041292, 3548174, 3734920, 3801615, 5068820, 5322261, 5602380, 6082584, 7096348, 7603230, 8870435, 10137640, 10644522, 11204760, 14192696, 15206460, 17740870, 21289044, 26611305, 30412920, 35481740, 42578088, 53222610, 70963480, 106445220, 212890440]

約数ペア:

[(1, 212890440), (2, 106445220), (3, 70963480), (4, 53222610), (5, 42578088), (6, 35481740), (7, 30412920), (8, 26611305), (10, 21289044), (12, 17740870), (14, 15206460), (15, 14192696), (19, 11204760), (20, 10644522), (21, 10137640), (24, 8870435), (28, 7603230), (30, 7096348), (35, 6082584), (38, 5602380), (40, 5322261), (42, 5068820), (56, 3801615), (57, 3734920), (60, 3548174), (70, 3041292), (76, 2801190), (84, 2534410), (95, 2240952), (105, 2027528), (114, 1867460), (120, 1774087), (133, 1600680), (140, 1520646), (152, 1400595), (168, 1267205), (190, 1120476), (210, 1013764), (228, 933730), (266, 800340), (280, 760323), (285, 746984), (380, 560238), (399, 533560), (420, 506882), (456, 466865), (532, 400170), (570, 373492), (665, 320136), (760, 280119), (798, 266780), (840, 253441), (1064, 200085), (1140, 186746), (1330, 160068), (1596, 133390), (1995, 106712), (2280, 93373), (2660, 80034), (3192, 66695), (3990, 53356), (5320, 40017), (7980, 26678), (13339, 15960)]