28657053480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{700319}}^1$

素因数の和:700375

約数の個数: 128

約数和(自身を含む): 96812236800

約数和(自身を除く): 68155183320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 5115, 6820, 8184, 10230, 13640, 20460, 40920, 700319, 1400638, 2100957, 2801276, 3501595, 4201914, 5602552, 7003190, 7703509, 8403828, 10504785, 14006380, 15407018, 16807656, 21009570, 21709889, 23110527, 28012760, 30814036, 38517545, 42019140, 43419778, 46221054, 61628072, 65129667, 77035090, 84038280, 86839556, 92442108, 108549445, 115552635, 130259334, 154070180, 173679112, 184884216, 217098890, 231105270, 238808779, 260518668, 308140360, 325648335, 434197780, 462210540, 477617558, 521037336, 651296670, 716426337, 868395560, 924421080, 955235116, 1194043895, 1302593340, 1432852674, 1910470232, 2388087790, 2605186680, 2865705348, 3582131685, 4776175580, 5731410696, 7164263370, 9552351160, 14328526740, 28657053480]

約数ペア:

[(1, 28657053480), (2, 14328526740), (3, 9552351160), (4, 7164263370), (5, 5731410696), (6, 4776175580), (8, 3582131685), (10, 2865705348), (11, 2605186680), (12, 2388087790), (15, 1910470232), (20, 1432852674), (22, 1302593340), (24, 1194043895), (30, 955235116), (31, 924421080), (33, 868395560), (40, 716426337), (44, 651296670), (55, 521037336), (60, 477617558), (62, 462210540), (66, 434197780), (88, 325648335), (93, 308140360), (110, 260518668), (120, 238808779), (124, 231105270), (132, 217098890), (155, 184884216), (165, 173679112), (186, 154070180), (220, 130259334), (248, 115552635), (264, 108549445), (310, 92442108), (330, 86839556), (341, 84038280), (372, 77035090), (440, 65129667), (465, 61628072), (620, 46221054), (660, 43419778), (682, 42019140), (744, 38517545), (930, 30814036), (1023, 28012760), (1240, 23110527), (1320, 21709889), (1364, 21009570), (1705, 16807656), (1860, 15407018), (2046, 14006380), (2728, 10504785), (3410, 8403828), (3720, 7703509), (4092, 7003190), (5115, 5602552), (6820, 4201914), (8184, 3501595), (10230, 2801276), (13640, 2100957), (20460, 1400638), (40920, 700319)]