28237410

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 80

約数和(自身を含む): 77153472

約数和(自身を除く): 48916062

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 81, 90, 135, 142, 162, 213, 270, 355, 405, 426, 491, 639, 710, 810, 982, 1065, 1278, 1473, 1917, 2130, 2455, 2946, 3195, 3834, 4419, 4910, 5751, 6390, 7365, 8838, 9585, 11502, 13257, 14730, 19170, 22095, 26514, 28755, 34861, 39771, 44190, 57510, 66285, 69722, 79542, 104583, 132570, 174305, 198855, 209166, 313749, 348610, 397710, 522915, 627498, 941247, 1045830, 1568745, 1882494, 2823741, 3137490, 4706235, 5647482, 9412470, 14118705, 28237410]

約数ペア:

[(1, 28237410), (2, 14118705), (3, 9412470), (5, 5647482), (6, 4706235), (9, 3137490), (10, 2823741), (15, 1882494), (18, 1568745), (27, 1045830), (30, 941247), (45, 627498), (54, 522915), (71, 397710), (81, 348610), (90, 313749), (135, 209166), (142, 198855), (162, 174305), (213, 132570), (270, 104583), (355, 79542), (405, 69722), (426, 66285), (491, 57510), (639, 44190), (710, 39771), (810, 34861), (982, 28755), (1065, 26514), (1278, 22095), (1473, 19170), (1917, 14730), (2130, 13257), (2455, 11502), (2946, 9585), (3195, 8838), (3834, 7365), (4419, 6390), (4910, 5751)]